Permeable
Permeable
Permeable (/pɜːrˈmiːəbəl/), derived from the Latin word "permeabilis", which means "passable", is a term used in medicine and biology to describe a material or membrane that allows liquids or gases to pass through it.
Definition
In the context of medicine and biology, permeable refers to the ability of a substance to allow another substance to pass through it, especially the ability of a biological membrane to allow various substances to pass through it. This is a crucial concept in understanding how cells and tissues function in the human body.
Related Terms
- Semi-permeable membrane: A type of biological or synthetic membrane that will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion".
- Permeability (earth sciences): In earth sciences and materials science, permeability is the measure of the ability of a material (often called a "medium" or "matrix") to transmit fluids.
- Permeation: In physics and engineering, permeation (also called imbuing) is the penetration of a permeate (such as a liquid, gas, or vapor) through a solid.
- Osmosis: A special case of diffusion involving water molecules, which can move through semi-permeable membranes from an area of low solute concentration to an area of high solute concentration.
See Also
External links
- Medical encyclopedia article on Permeable
- Wikipedia's article - Permeable
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