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pinocytosis

[pin-uh-sahy-toh-sis, pahy-nuh-] /ˌpɪn ə saɪˈtoʊ sɪs, ˌpaɪ nə-/
noun, Physiology
1.
the transport of fluid into a cell by means of local infoldings by the cell membrane so that a tiny vesicle or sac forms around each droplet, which is then taken into the interior of the cytoplasm.
Origin of pinocytosis
1931
1931; < Greek pín(ein) to drink + -o- + -cyte + -osis, on the model of phagocytosis
Related forms
pinocytotic
[pin-uh-sahy-tot-ik, pahy-nuh-] /ˌpɪn ə saɪˈtɒt ɪk, ˌpaɪ nə-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Word Origin and History for pinocytosis
n.

from Greek pinein "to drink" (see imbibe) + -cytosis.

Online Etymology Dictionary, © 2010 Douglas Harper
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pinocytosis in Medicine

pinocytosis pin·o·cy·to·sis (pĭn'ə-sĭ-tō'sĭs, -sī-, pī'nə-)
n.
Introduction of fluids into a cell by invagination of the cell membrane, followed by formation of vesicles within the cells.


pin'o·cy·tot'ic (-tŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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