Uptake
Uptake
Uptake (/ʌpˈteɪk/) is a term used in medicine and biology to describe the process by which substances are absorbed by the body, cells, or tissues.
Etymology
The term "uptake" is derived from the English words "up" and "take," indicating the action of taking up or absorbing something.
Definition
In the context of medicine and biology, uptake refers to the absorption and incorporation of substances into cells or tissues. This can refer to the uptake of nutrients by the digestive system, the uptake of glucose by cells, or the uptake of drugs by the body, among other things.
Related Terms
- Absorption (biology): The process by which the products of digestion are absorbed by the digestive tract and transported to the cells and tissues of the body.
- Transport (biology): The movement of molecules across cell membranes.
- Endocytosis: A form of active transport in which a cell transports molecules into the cell by engulfing them in an energy-using process.
- Pinocytosis: A mode of endocytosis in which small particles are brought into the cell, forming an invagination, and then suspended within small vesicles.
- Phagocytosis: The process by which a cell uses its plasma membrane to engulf a large particle, giving rise to an internal compartment called the phagosome.
See Also
External links
- Medical encyclopedia article on Uptake
- Wikipedia's article - Uptake
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