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Endocytosis


Endocytosis
In endocytosis, the cell engulfs some of its extracellular fluid (ECF) including material dissolved or suspended in it. A portion of the plasma membrane is invaginated and pinched off forming a membrane-bounded vesicle called an endosome.
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Chapter 14
Endocytosis and retrograde axonal traffic in motor neurons
Katrin Deinhardt and Giampietro Schiavo1
Molecular NeuroPathobiology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln's Inn Fields, London WC2A 3PX, U.K.
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endocytosis: the process in which a small patch of plasma membrane encloses particles that are near the cell surface.
endoderm: one of three germ layers that develops into the gastrointestinal tract.
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Endocytosis
Pinocytosis - literally "cell drinking"
Neutrophil granulocyte - the most common type of granulocyte.
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endocytosis The incorporation of materials from outside the cell by the formation of vesicles in the plasma membrane. The vesicles surround the material so the cell can engulf it.
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endocytosis
exocytosis, in which molecules packaged in membrane vesicles are either imported or exported, respectively. Molecular exchangers , transporters and pumps represent other examples.
References ...
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endocytosis
(en-doh-sy-toh-sis) [Gk. endon, within + kytos, vessel]
The cellular uptake of macromolecules and particulate substances by localized regions of the plasma membrane that surround the substance and pinch off to form an intracellular ...
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Endocytosis
The process by which a cell engulfs material to bring it into the cell is called endocytosis. Two major forms of endocytosis described below.
Phagocytosis ...
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endocytosis Ingestion of particulate matter or fluid by phagocytosis or pinocytosis; that is, bringing material into a cell by invagination of its surface membrane and then pinching off the invaginated portion of a vacuole.
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So endocytosis is what cells do to clean up after they've performed exocytosis. When a vesicle fuses with the plasma membrane, the membrane that's part of the vesicle gets to be part of the plasma membrane.
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NPC1 and Ptc1 colocalized extensively in transfected cells; Ptc1 functions in the receptor-mediated endocytosis of Hh proteins, and Ptc+ vesicles observed in Drosophila include multivesicular late endosomes.
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endocytosis The uptake of extracellular material by its inclusion within a vesicle (endosome) formed by an invagination of the plasma membrane.
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phagocytosis
A type of endocytosis involving large, particulate substances.
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