Pinocytosis

In protozoa, the uptake of macro-molecules into a cell by a drinking type of action.
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pinocytosis

[n] - process by which certain cells can engulf and incorporate droplets of fluid
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Pinocytosis

Pinocytosis: A cellular process that permits the active transport of fluid from outside the cell through the membrane surrounding the cell into the inside of the cell. In pinocytosis, tiny incuppings called caveolae (little caves) in the surface of the cell close and then pinch off to form pinosomes, little fluid-filled bubbles, that are free withi
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pinocytosis

Uptake of fluid-filled vesicles into cells (endocytosis). Macro-pinocytosis and micro-pinocytosis are distinct processes, the latter being energy independent and involving the formation of receptor-ligand clusters on the outside of the plasma membrane, and clathrinon the cytoplasmic face.
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pinocytosis

Uptake of fluid filled vesicles into cells (endocytosis). Macro pinocytosis and micro pinocytosis are distinct processes, the latter being energy independent and involving the formation of receptor ligand clusters on the outside of the plasma membrane and clathrin on the cytoplasmic face. ... (18 Nov 1997) ...
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pinocytosis

noun process by which certain cells can engulf and incorporate droplets of fluid
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pinocytosis

(pin″o-) (pi″no-si-to´sis) a mechanism by which cells ingest extracellular fluid and its contents; it involves the formation of invaginations by the cell membrane, which close and break off to form fluid-filled vacuoles in the cytoplasm. adj., pinocytot´ic., adj. ...
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pinocytosis

a process by which liquid droplets are ingested by living cells. Pinocytosis is one type of endocytosis, the general process by which cells engulf ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/p/70

pinocytosis

pinocytosis The process by which cells engulf fluids and solids to form vacuoles, which then move through the cell and discharge their contents from another region of the cell surface.
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pinocytosis

pinocyte, pinocytic, pinocytosis, pinocytotic The inbibition [drinking]; of liquids by cells; i.e., absorption of liquids by cells; especially, the mechanism by which cells ingest extracellular fluid and its contents.
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Pinocytosis

Ingestion of liquid or very small particles by vesicle formation in a cell.
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pinocytosis

An amoeba showing pinocytosis The process by which a cell takes in extracellular fluid by the invagination of the cell membrane. The pocket then pinches off to form a vesicle, which subsequently ruptures, releasing its contents into the cytosol. Pinocytosis ('cell drinking') is a form of endocyt...
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pinocytosis

pinocytosis: see endocytosis.
Found on http://www.infoplease.com/ce6/sci/A0917512.html

pinocytosis

Type: Term Pronunciation: pin′ō-sī-tō′sis, pī′nō- Definitions: 1. The cellular process of actively engulfing liquid, a phenomenon in which minute incuppings or invaginations are formed in the surface of the cell membrane and close to form fluid-filled vesicles; it resembles phagocytosis.
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pinocytosis

(pin;uo-si-to;sis) Cell drinking; invagination of the cell membrane forming narrow channels that pinch off into vacuoles. This allows for cellular intake of extracellular fluid and dissolved molecules.
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pinocytosis

(pin;uo-si-to;sis) Cell drinking; invagination of the cell membrane forming narrow channels that pinch off into vacuoles. This allows for cellular intake of extracellular fluid and dissolved molecules.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

Pinocytosis

In cellular biology, pinocytosis is a mode of endocytosis in which small particles are brought into the cell, forming an invagination, and then suspended within small vesicles. These pinocytotic vesicles subsequently fuse with lysosomes to hydrolyze (break down) the particles. This process requires a lot of energy in the form of adenosine triphosp
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pinocytosis

A process of ingesting material by enclosing it with a membrane. The resulting structure is usually too small to be seen with the light microscope and is mostly suitable for the ingestion of fluid or mucus.
Found on http://tolweb.org/tree/home.pages/glossary.html
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