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单词 pinocytosis
释义

pinocytosisn.

Brit. /ˌpɪnə(ʊ)sʌɪˈtəʊsɪs/, /ˌpʌɪnə(ʊ)sʌɪˈtəʊsɪs/, U.S. /ˈˌpɪnoʊˌsaɪˈtoʊsəs/, /ˈˌpaɪnoʊˌsaɪˈtoʊsəs/
Inflections: Plural pinocytoses.
Origin: A borrowing from Greek, combined with English elements; originally modelled on a French lexical item. Etymons: Greek πίνειν , -o- connective, -cyte comb. form, -osis suffix.
Etymology: < ancient Greek πίνειν to drink (see pincern n.) + -o- connective + -cyte comb. form + -osis suffix. In quot. 1895 at main sense after French pinocytose (G. Gabritschewsky 1894, in Ann. de l'Inst. Pasteur 8 682); subsequently re-formed in English (see quot. 1931 at main sense). Compare earlier phagocytosis n.
Biology.
A process by which droplets of liquid are taken into a cell, now known to be by means of small vesicles formed by the pinching off of an invagination of the cell membrane; an instance of this.
ΘΚΠ
the world > life > biology > biological processes > cellular processes > [noun] > absorption
pinocytosis1895
athrocytosis1938
micropinocytosis1956
rhopheocytosis1961
1895 Jrnl. Royal Microsc. Soc. 216 The author [sc. G. Gabritschewsky]..suggests the probability that phagocytes are not only capable of seizing and assimilating solid bodies, but of imbibing and absorbing liquid substances, and of rendering them harmless to the organism. For this action the term pinocytosis is suggested.
1931 W. H. Lewis in Bull. Johns Hopkins Hosp. 49 17 Pinocytosis, drinking by cells; phagocytosis, eating by cells... The word ‘pinocytosis’, suggested by my colleague Prof. David M. Robinson, is derived from the Greek... By pinocytosis the cells are able to take in substances which cannot diffuse into them or be taken in by ordinary phagocytosis of semisolid particles.
1960 Jrnl. Protozool. 7 184/2 Pinocytosis is a very demanding process in terms of membrane formation.
1992 Anat. Rec. 234 530 The unaltered globules of the coat, internalized via fluid-phase constitutive pinocytoses, followed a different endocytic pathway.

Derivatives

ˌpinocyˈtotic adj. of, relating to, or formed by pinocytosis; cf. pinocytic adj.
ΘΚΠ
the world > life > biology > biological processes > cellular processes > [adjective] > absorption
athrocytic1938
pinocytic1955
pinocytotic1958
micropinocytotic1969
pinocytized1970
1958 Science 17 Jan. 163/2 Our impression is that a substantial part of the cell glycine may be exchanged while a pinocytotic vacuole hesitates at the cell periphery.
1975 Nature 17 Apr. 612/2 Each perineural epithelial cell contained numerous pinocytotic vesicles.
1990 New Scientist 24 Nov. 55/1 The cells contain few pinocytotic vesicles and are bound together by tight junctions.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1895
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