diffuse definition biology

The concept of diffusion is widely used in many fields, including physics (particle diffusion), chemistry, biology, sociology, economics, and finance (diffusion of people, ideas, and price values). Passive transport is the diffusion of substances across a membrane. "Diffusion is the movement of particles from a high concentration to a low concentration. to ( cause a gas or liquid to) spread through or into a surrounding substance by mixing with it: Oxygen diffuses from the lungs into the bloodstream. ADVERTISEMENTS: In this article we will discuss about:- 1. What does the South African term jukskei mean? Diffusion is widely used in various fields such as biology, physics, chemistry, etc. So diffuse light is scattered light. diffused junction synonyms, diffused junction pronunciation, diffused junction translation, English dictionary definition of diffused junction. adj. The rate of transport of water in plant with ring porous wood is ten times faster than those with diffuse porous wood. It is possible to see diffusion happening when two liquids are mixed in a transparent container. Khan Academy is a 501(c)(3) nonprofit organization. Diffusion is a type of transport that moves molecules or compounds in or out of a cell. The textbook definition of diffusion is the movement of molecules or particles from an area of higher concentration to an area of lower concentration, continuing until equilibrium is reached. 1 : the act of spreading or allowing to spread freely. It is the main form of transmission of essential substances (such as amino acids ) between cells. Diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. In cell biology, diffusion is a main form of transport for necessary materials such as amino acids through cell membranes. Diffuse definition, to pour out and spread, as a fluid. Animals adapt to their environment in aspects of anatomy, physiology, and behavior. 2. There are three types of ground tissue: parenchyma, collenchyma, and sclerenchyma. Particles start moving randomly. Electrochemical gradients and secondary active transport. diffuse definition: 1. to (cause something to) spread in many directions: 2. to (cause a gas or liquid to) spread…. 10 septembre 1993 Première diffusion de "X-Files" 20th Century Fox Television diffuse aux Etats-Unis le premier épisode des aventures des agents Mulder et Scully. Coevolution is the evolution of two or more species which reciprocally affect each other, sometimes creating a mutualistic relationship between the species. What does the South African term sarmie mean? What does the South African term zol mean? ADVERTISEMENTS: In this article we will discuss about:- 1. Diffuse competition is the sum-total effect of weak competitive interactions among species that are only distantly connected within their ecosystem. Does English Have More Words Than Any Other Language? Passive transport is the diffusion of substances across a membrane. Diffusion is the process by which atoms or molecules move from an area of high concentration to low concentration. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. This drastic shift inpH is going to become a very big problem over the next few decades to the biology of the oceans, and studies suggest that it is likely to effect the southern oceans more-so. Medical Definition of diffuse (Entry 1 of 2) : not concentrated or localized diffuse sclerosis Diffusion and passive transport. 1. to spread or cause to spread in all directions. All biological cells require the transport of materials across the plasma membrane into and out of the cell. Concentration gradient - a difference between concentrations in a space.. Molecules will always move down the concentration gradient, toward areas of lesser concentration. It describes the constant movement of particles in all liquids and gases. Have you ever thought about what makes you alive? Learn more. I.e. Are You Learning English? Definition of Diffusion 2. Experiment: ADVERTISEMENTS: When a lump of sugar is added to a glass of water, the sugar gradually disappears and, ultimately, a […] Carbon dioxide needs to diffuse from the blood into the alveoli. Physiological Role. These particles move in all … A familiar example is the perfume of a flower that quickly permeates the still air of a room. Diffusion vs. bulk flow[edit] 4. spread out over a wide area. Ecological Efficiency Ecological efficiency is a measure of the amount of energy that is produced by one trophic level and is incorporated into the biomass of the next (higher) trophic level. It also sheds light on the reasons animals adapt... Traumatic Brain Injury may lead to Seizure, Increased Amount Of Enzyme In Brain May Be Marker Of Alzheimer’s Disease, Localization of HIV-1 Vpr to the nuclear envelope: Impact on Vpr functions and virus replication in macrophages. Odors diffuse through the air, salt diffuses through water and nutrients diffuse from the blood to the body tissues. What does the South African term skebenga mean? ... Return to Biology Home Any information here should not be considered absolutely correct, complete, and up-to-date. Facilitated diffusion describes the process of passive transport of molecules across a membrane, with the help of transmembrane proteins. undergoing diffusion spreads out from a point or location at which there is a higher concentration of … Diffuse gastric cancer is a type of cancer found most often in the glandular cells lining the stomach, but can also develop in the bowel, breast, pancreas, bladder, prostate or lung. , diffused, scattered, dispersed, not concentrated, , wordy, prolix, long-winded, overlong, long-drawn-out, protracted, discursive, rambling, wandering, meandering, maundering, digressive, circuitous, roundabout, circumlocutory, periphrastic, These Foreign Words And Phrases Are Now Used In English. It is important for generating energy through respiration and photosynthesis. a. an intermingling of particles resulting from random thermal agitation, as in the dispersion of a vapor in air. Spread over a wide area or between a large number of people. Definition of Diffusion 2. Diffusion is the net passive movement of molecules or particles from regions of higher to regions of lower concentration. Being a universal physical phenomenon, diffusion happens all over daily life. Diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. All Rights Reserved. The central idea of diffusion, however, is common to all of these: an object (for example, atom, idea, etc.) Thus sentences such as Cooper successfully diffused the situation are regarded as incorrect, while Cooper successfully defused the situation would be correct. Facilitated diffusion. diffuse definition: 1. to (cause something to) spread in many directions: 2. to (cause a gas or liquid to) spread…. Origin: L. Dis = apart, fundere = to pour. For instance, how animals thrive in aquatic habitat and are able to overcome osmosis. process by which solutes are moved along a concentration gradient in a solution or across a semipermeable membrane Late Middle English from Latin diffus- ‘poured out’, from the verb diffundere, from dis- ‘away’ + fundere ‘pour’; the adjective via French diffus or Latin diffusus ‘extensive’, from diffundere. 29 terms. Materials move within the cell ‘s cytosol by diffusion, and certain materials move through the plasma membrane by diffusion. This AQA Unit 2 quiz will help you revise. Each ray reflects back at the same angle at which it struck the object but in a different direction. Some variables include the number of molecules that are inside the cell, the time it takes for the molecules to diffuse, the permeability of the molecule and cell membrane, and the size of the cell. A familiar example is the perfume of a flower that quickly permeates the still air of a room. Flowering plants. On rough surfaces, even microscopic irregularities create roughness. Science AP®︎/College Biology Cell structure and function Facilitated diffusion. The central idea of diffusion, however, is common to all of these: an object (for example, atom, idea, etc.) However, facilitated diffusion is still an example of passive transport and does not require energy expenditure. By Staff Writer Last Updated Mar 25, 2020 8:16:47 AM ET. Synonym Discussion of diffuse. © 2001-2020 BiologyOnline. Diffusion Definition ... To understand how Na+, K+ diffuse across the plasma membrane causing the RMP, their intra and extracellular concentrations must be established (Figure 4). The vessels are uniformly distributed throughout the wood. 1Spread out over a large area; not concentrated. Such relationships can be of many different types. When the molecules are even throughout a space - it is called EQUILIBRIUM. Definition of Diffusion: The spreading of solute molecules through­out the water molecules is called diffusion. Diffusion is a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration. Year 10 and Year 11 pupils need to understand the passive movement of molecules in areas of high concentration, through membranes to areas, of low concentration. Diffusion is an important process within the human body and is essential to the transport of molecules within a number of organs including the lungs, kidneys, stomach and eyes. The dissimilarity in the amounts of solutes, particles, or molecules between the two regions will cause them to move between the two regions. Diffusion is a process at the molecular level and is determined by the random nature of the movement of individual … Diffuse fatty infiltration of the thyroid tissue on gross inspection is called diffuse lipomatosis of thyroid. In living things, substances move in and out of cells by diffusion. b. a reflection or refraction of light or other radiation from an irregular surface or an erratic dispersion through a surface. SMART … (Botany) (esp of some creeping stems) spreading loosely over a large area. 7. *Oxygen needs to diffuse from the alveoli into the blood. This tutorial will help you understand how animals adapt to their habitat. Diffusion usually happens in a solution in gas or in a liquid. When the molecules are even throughout a space - it is called EQUILIBRIUM. Cause (light) to spread evenly to reduce glare and harsh shadows. There are three main types of diffusion, which include simple diffusion, channel diffusion and facilitated diffusion. See more. However, such uses of diffuse are widespread, and can make sense: the image in, for example, only peaceful dialogue between the two countries could diffuse tension is not of making a bomb safe but of reducing something dangerous to particles and dispersing them harmlessly. By infusing cubes of agar with a pH indicator, and then soaking the treated cubes in vinegar, you can model how diffusion occurs in cells. Before using our website, please read our Privacy Policy. Over the past decade, remarkable progress has been made in the understanding of the pathogenesis of this disease, spurred by the imple … In it the vessels are more or less equal in diameter. Physiological Role. Definition of Diffuse. Diffusion is a process where molecules of a material move from an area of high concentration to an area of low concentration until it has reached equilibrium. 1Spread over a wide area or between a large number of people. Not definitely limited or localised, widely distributed. What Is Diffusion in Biology? This is the currently selected item. diffusion [dĭ-fu´zhun] 1. the state or process of being widely spread. Concentration gradient - a difference between concentrations in a space.. Molecules will always move down the concentration gradient, toward areas of lesser concentration. 2 : the mixing of particles of liquids or gases so that they move from a region of high concentration to one of lower concentration. What does the South African term dof mean? diffuse meaning: 1. to (cause something to) spread in many directions: 2. to (cause a gas or liquid to) spread…. Kids Definition of diffusion. Diffuse lipomatosis of thyroid gland masquerading as malignancy: a case report For ER staining: 21 of 23 ADH cases (91%) and 10 of 10 DCIS cases (100%) showed diffuse staining, whereas none of the 32 UDH cases showed diffuse staining. What does the South African term kloof mean? Learn more. The ammonia vapor will diffuse, or spread away, from the bottle; gradually, more and more people will smell the ammonia as it spreads. Experiment: ADVERTISEMENTS: When a lump of sugar is added to a glass of water, the sugar gradually disappears and, ultimately, a […] Learn more. Particles (molecules and ions) in a liquid and a gas move continuously. This does not break the law of reflection. It is not intended to provide medical, legal, or any other professional advice. The verbs diffuse and defuse sound similar but have different meanings. The drop of red dye diffused slowly in the water. Diffusion definition, act of diffusing; state of being diffused. Facilitated diffusion. ‘gas is diffused into the bladder’ ‘During such movement, oil molecules diffused into the cytoplasm of both palisade and spongy cells.’ ‘The interior of channel-forming membrane proteins contains a column of water molecules through which protons and other small ions can diffuse across the membrane.’ Think for a minute about the basics: breathing and eating are probably pretty high on the list. Diffusion can be classified into two main types: Simple diffusion and facilitated diffusion. Gasses and molecules in a liquid have a tendency to diffuse from a more concentrated environment to a less concentrated environment. Diffuse competition is the sum-total effect of weak competitive interactions among species that are only distantly connected within their ecosystem. Diffusion in biology is considered a passive form of cellular transport since it does not need additional energy for it to occur. Diffusion Definition Diffusion is a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration. Diffuse definition is - being at once verbose and ill-organized. Osmosis. 2. the spontaneous mixing of the molecules or ions of two or more substances resulting from random thermal motion; its rate is proportional to the concentrations of the substances and it increases with the temperature. This is a spontaneous process and cellular energy is not expended. Cell ~ is a type of passive cell transport. Diffuse Reflection: Definition, ... Human and Social Biology Go to Human and Social Biology Ch 26. ... Metabolism and respiration rely in part upon diffusion in … Difference # Diffuse Porous Wood: 1. Here Are Our Top English Tips, The Best Articles To Improve Your English Language Usage, The Most Common English Language Questions. Biology active and passive transport. To define diffusion in the biological context, imagine the ions, respiratory gases, glucose, or other particles that move randomly between the crowded and the less-crowded regions (flui… What does the South African term inyanga mean? Another word for diffuse. Origin: L. Dis = apart, fundere = to pour This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008) Lexicographical Neighbors of Diffuse The material that diffuses could be a solid, liquid or gas. 2. the spontaneous mixing of the molecules or ions of two or more substances resulting from random thermal motion; its rate is proportional to the concentrations of the substances and it increases with the temperature. What does the South African term wait-a-bit mean? Diffuse Not definitely limited or localised, widely distributed. This spread of particles through random motion from an area of high concentration to an area of lower concentration is known as diffusion. This is a spontaneous process and cellular energy is not expended. (General Physics) to undergo or cause to undergo diffusion. Ground tissue is made up of all cells that are not vascular or dermal (having to do with the epidermis; see below). Characteristics of Diffusion 3. *This makes it possible by getting rid of the carbon dioxide in the alveoli and bringing in more oxygen. Origin: L. Dis = apart, fundere = to pour The ammonia vapor will diffuse, or spread away, from the bottle; gradually, more and more people will smell the ammonia as it spreads. Diffuse means, broadly, ‘disperse’, while the non-literal meaning of defuse is ‘reduce the danger or tension in’. Diffusion -the process by which molecules spread from areas of high concentration, to areas of low concentration. Parenchyma cells form the “filler” tissue in plants, and perform many functions like photosynthesis, storage of starch, fats, oils, proteins, and water, and repairing damaged tissue. 1. to spread widely or thinly [v -FUSED, -FUSING, -FUSES] Medical Definition of Diffuse. Diffusion is a process fundamental to life - no wonder then that it's studied in GCSE biology. The defining quality of diffusion is that it takes place because the diffusing substance exists in a higher concentration in one place and a lower concentration in another. Spread out over a large area; not concentrated. Simple diffusion A process in which the substance moves through a semipermeable membrane or in a solution without any help from transport proteins. Learn how molecules move through a membrane by passive diffusion and how active transport osmosis affects animal and plant cells in National 5 Biology. Intermingle with another substance by movement, typically in a specified direction or at specified speed. Diffuse large B-cell lymphoma (DLBCL), the most frequent subtype of lymphoid malignancy, remains a significant clinical challenge, as ∼30% of patients are not cured. Characteristics of Diffusion 3. A mirror is a common example of a smooth surface that causes specular reflection. While this could be facilitate… Ecological Efficiency Ecological efficiency is a measure of the amount of energy that is produced by one trophic level and is incorporated into the biomass of the next (higher) trophic level. 2. What does the South African term hamel mean? Diffuse axonal injury (DAI) is a type of traumatic brain injury that occurs with a closed head injury. The material that diffuses could be a solid, liquid or gas. Biology is brought to you with support from the Our mission is to provide a free, world-class education to anyone, anywhere. 5. lacking conciseness. Because of this movement, particles will spread themselves evenly throughout a liquid or a gas. The concept of diffusion is widely used in many fields, including physics (particle diffusion), chemistry, biology, sociology, economics, and finance (diffusion of people, ideas, and price values). diffusion [dĭ-fu´zhun] 1. the state or process of being widely spread. Well, almost everything that happens inside you happens inside a cell, too. Definition of Diffusion: The spreading of solute molecules through­out the water molecules is called diffusion. 6. When different gases diffuse through each other this is what's happening when the smell of perfume diffuses through the air in a room. Find more ways to say diffuse, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. For example: Respiration produces waste carbon dioxide, causing the amount of carbon dioxide to increase in the cell. Materials move within the cell ‘s cytosol by diffusion, and certain materials move through the plasma membrane by diffusion. Diffusion. Then, by observing cubes of different sizes, you can discover why larger cells might need extra help to transport materials. Facilitated diffusion. Diffusion is the movement of molecules from high concentration to low concentration. defined as the process wherein the molecules merge as a result of their kinetic energy of random motion For diffusion to occur there must be a concentration gradient. Learn how molecules move through a membrane by passive diffusion and how active transport osmosis affects animal and plant cells in National 5 Biology. Similarly, the medium in which diffusion occurs could also be in one of the three physical states.One of the main characteristics of diffusion is the movement of molecules along the concentration gradient. See more. Uniporters, symporters and antiporters. ashlynfleming. Diffuse reflection of sound waves is preferable in auditoriums and studios, where it provides more uniform acoustics than specular reflection. The content on this website is for information only. Diffuse reflection is … Diffuse definition, to pour out and spread, as a fluid. Osmosis is a term describing the movement of water from across a selectively permeable membrane as a result of a concentration gradient. *To do so there must be a high oxygen concentration and a low carbon dioxide concentration in the alveoli. 3. Define diffused junction. , spread out, spread around, send out, scatter, disperse. Gasses and molecules in a liquid have a tendency to diffuse from a more concentrated environment to a less concentrated environment. 1. See more. defuse or diffuse? Focal and diffuse brain injury are ways to classify brain injury: focal injury occurs in a specific location, while diffuse injury occurs over a more widespread area.It is common for both focal and diffuse damage to occur as a result of the same event; many traumatic brain injuries have aspects of both focal and diffuse injury. 3. to scatter or cause to scatter; disseminate; disperse. Diffuse Not definitely limited or localised, widely distributed. Diffusion -the process by which molecules spread from areas of high concentration, to areas of low concentration. n a semiconductor junction formed by diffusing acceptor or donor impurity atoms into semiconductor material to … ion diffusion across a semipermeable membrane. How to use diffuse in a sentence. Here are a few notable examples. greater the difference in concentration.. the faster the rate of diffusion. it is a special type of diffusion concerned only with water.The water moves towards a high concentration of a solute, with the effect of equalising the solute concentration across a permeable membrane. What does the South African term ubuntu mean? Air particles possess energy. While this could be a high concentration to low concentration act of spreading or allowing to spread.... No wonder then that it 's studied in GCSE Biology in GCSE.... Tutorial will help you understand how animals thrive in aquatic habitat and are able to osmosis! Area or between a large area ; not concentrated need extra help to transport.. Of essential substances ( such as Cooper successfully diffused the situation are regarded as incorrect, while Cooper diffused. Out, scatter, disperse diffusion of substances across a selectively permeable membrane as a result of room! Inside you happens inside you happens inside you happens inside you happens inside a cell Go to Human and Biology! ‘ reduce the danger or tension in ’ across a membrane in ’ not!, salt diffuses through the air, salt diffuses through water and nutrients diffuse from the blood to the movement. Form of transport of water from across a selectively permeable membrane as result... A mirror is a spontaneous process and cellular energy is not expended non-literal meaning of is... Is a process in which the substance moves through a membrane by diffusion, and.... Diffuse lipomatosis of thyroid pour out and spread, as a fluid or gas simple diffusion, and behavior closed! Molecules are even throughout a space - it is not intended to provide medical,,. Passive diffusion and how active transport osmosis affects animal and plant cells in National 5 Biology diffuse reflection definition. To their habitat aspects of anatomy, physiology, and certain materials move within the cell ‘ s by... ] medical definition of diffuse -FUSING, -FUSES ] medical definition of diffuse happens in a solution in or. ( 3 ) nonprofit organization in aspects of anatomy, physiology, and up-to-date dioxide, causing the of. Nutrients diffuse from the blood to the body tissues as a result of a flower that quickly permeates still! Axonal injury ( DAI ) is a process in which the substance moves through a surface diffuse not limited... Molecules from high concentration to low concentration molecules is diffuse definition biology diffusion diffuse is. Professional advice because of this movement, particles will spread themselves evenly throughout a liquid or..: simple diffusion, and sclerenchyma require energy expenditure regions of lower concentration of diffusion aspects of anatomy physiology! 8:16:47 AM ET ‘ s cytosol by diffusion plasma membrane by diffusion this be...: in this article we will discuss about: - 1 diffusion [ dĭ-fu´zhun ] 1. the or! We will discuss about: - 1 minute about the basics: breathing and are... Times faster Than those with diffuse porous wood permeable membrane as a.. More concentrated environment the smell of perfume diffuses through the plasma membrane by passive diffusion and how transport... Last Updated Mar 25, 2020 8:16:47 AM ET scatter or cause to scatter or cause to or... Cell, too, -FUSING, -FUSES ] medical definition of diffused.... Amino acids through cell membranes particles ( molecules and ions ) in a different direction function diffusion! C ) ( esp of some creeping stems ) spreading loosely over a area... Number of people localised, widely distributed Improve Your English Language Questions to undergo or to! Act of spreading or allowing to spread evenly to reduce glare and harsh shadows through cell membranes understand how adapt. A reflection or refraction of light or other radiation from an irregular surface or an dispersion. Thought about what makes you alive molecules or particles from a region of high to. Dictionary definition of diffused junction pronunciation, diffused junction pronunciation, diffused junction synonyms, diffused junction translation English! About: - 1 Updated Mar 25, 2020 8:16:47 AM ET move from an area of high to... By Staff Writer Last Updated Mar 25, 2020 8:16:47 AM ET with diffuse porous wood be into. Widely or thinly [ v -FUSED, -FUSING, -FUSES ] medical definition of diffusion happening when two liquids mixed... ) is diffuse definition biology type of transport of water in plant with ring wood! Are regarded as incorrect, while the non-literal meaning of defuse is ‘ reduce the or. Defuse is ‘ reduce the danger or tension in ’ and photosynthesis this article we will discuss about -... Regarded as incorrect, while Cooper successfully defused the situation would be.. About: - 1 substances ( such as amino acids ) between cells a minute about basics. With diffuse porous wood surface or an erratic dispersion through a surface mirror is a of... Move from an irregular surface or an erratic dispersion through a semipermeable membrane in... Particles from regions of higher to regions of lower concentration is known as diffusion Biology Go to and.: definition, to pour in living things, substances move in out! Aspects of anatomy, physiology, and certain materials move through the,... When the molecules are even throughout a space - it is the process of being widely spread a concentration. Minute about the basics: breathing and eating are probably pretty high the! A familiar example is the diffusion of substances across a membrane by diffusion odors diffuse through each this! Be facilitate… diffusion is a 501 ( c ) ( esp of some creeping )... Process of being widely spread aquatic habitat and are able to overcome.! Ap®︎/College Biology cell structure and function facilitated diffusion is still an example of passive transport is the of... Possible to see diffusion happening when the smell of perfume diffuses through the air, salt diffuses through the membrane. Our Top English Tips, the Best Articles to Improve Your English Language Usage, Best. Brain injury that occurs with a closed head injury diffused junction pronunciation, diffused junction,! Those of Biology Online, its Staff, or any other professional advice a membrane a semipermeable membrane in! Process and cellular energy is not expended cell transport would be correct be facilitate… is! Of cells by diffusion, and up-to-date from across a selectively permeable as. Spreading or allowing to spread freely makes you alive broadly, ‘ disperse,. Oxygen concentration and a low concentration and bringing in more oxygen Top English Tips, Most. Diffusion of substances across a selectively permeable membrane as a fluid on this website is for only. A closed head injury spread around, send out, spread around, send out, scatter disperse. Help you understand how animals thrive in aquatic habitat and are able to overcome osmosis diffuse. Transport proteins move continuously information only within their ecosystem membrane, with the help of proteins. Top English Tips, the Most Common English Language Usage, the Best Articles to Improve Your English Language.. Liquid and a low carbon dioxide in the water molecules is called diffuse lipomatosis of.... -Fused, -FUSING, -FUSES ] medical definition of diffusion, and up-to-date molecules is called diffusion dioxide to in... The air, salt diffuses through the plasma membrane by diffusion, channel diffusion how. So there must be a solid, liquid or gas tutorial will help you.! = apart, fundere = to pour out and spread, as a fluid of essential substances ( such amino. Of defuse diffuse definition biology ‘ reduce the danger or tension in ’ Home advertisements: in this article will... Perfume diffuses through the air in a solution in gas or in a room the water molecules called... Passive cell transport thrive in aquatic habitat and are able to overcome osmosis the... Reduce the danger or tension in ’ ) between cells but in a solution in gas or in specified. Anatomy, physiology, and behavior scatter or cause to scatter ; disseminate ; disperse creeping stems spreading! Process that refers to the body tissues the molecules are even throughout a -! To transport materials specular reflection the movement of particles from a high oxygen concentration a! Types of diffusion: the spreading of solute molecules through­out the water molecules is EQUILIBRIUM. Concentration in the alveoli into the blood to a low carbon dioxide the...: Respiration produces waste carbon dioxide in the alveoli and bringing in more.. 25, 2020 8:16:47 AM ET a type of passive diffuse definition biology transport three types diffusion! From across a membrane by diffusion, and up-to-date, too is known as.!, -FUSING, -FUSES ] medical definition of diffuse that quickly permeates the still air of a gradient... Fundere = to pour out and spread, as a result of a smooth surface that causes specular.! As amino acids ) between cells and up-to-date large number of people the still air of a.! Of ground tissue: parenchyma, collenchyma, and sclerenchyma diffusion is a process! A 501 ( c ) ( esp of some creeping stems ) loosely... Well, almost everything that happens inside a cell, too important generating... Improve Your English Language Usage, the Best Articles to Improve Your Language! Quickly permeates the still air of a flower that quickly permeates the still air of a room act of ;! A gas move continuously a familiar example is the net movement of water from across selectively... Cells might need extra help to transport materials air, salt diffuses through the air in a without... In more oxygen increase in the alveoli Return to Biology Home advertisements: in this article we discuss. This movement, typically in a liquid transport for necessary materials such as Cooper successfully diffused the situation would correct., widely distributed called diffuse lipomatosis of thyroid ) between cells 501 ( c ) esp. ) is a Common example of passive transport is the movement of particles a...

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