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单词 plasmocyte
释义

plasmocyten.

Brit. /ˈplazmə(ʊ)sʌɪt/, U.S. /ˈplæzməˌsaɪt/
Origin: Formed within English, by compounding. Etymons: plasmo- comb. form, -cyte comb. form.
Etymology: < plasmo- comb. form + -cyte comb. form. With sense 2 compare earlier plasma cell n.
1. Zoology. G. Eisen's name for: an anucleate fragment of a red blood cell in an amphibian. Obsolete. rare.
ΘΚΠ
the world > life > biology > substance > [noun] > minute piece of > type of
mucus corpuscle1846
mucous corpuscle1855
plasmoblast1897
plasmocyte1897
1897 G. Eisen in Proc. Calif. Acad. Sci.: Zool. 1 4 A new corpuscle, which I have termed plasmocyte.
1897 G. Eisen in Proc. Calif. Acad. Sci.: Zool. 1 13 (heading) Plasmocytes.—I apply this name to a hitherto undescribed element in the blood, first described by me in the blood of Batrachoseps.
1897 Jrnl. Royal Microsc. Soc. 271 The plasmocyte may be defined as a corpuscle, generally without a cell-wall, always without a nucleus, consisting of the archosome and three spheres of cytoplasm. It shows power of growth, movement, phagocytosis, &c.
1900 E. B. Wilson Cell (ed. 2) i. 52 Eisen ('97) asserts that in the blood of a salamander..the attraction-sphere..containing the centrosomes may separate from the remainder of the cell (nucleated red corpuscles) to form an independent form of blood-corpuscle or ‘plasmocyte’, which leads an active life in the blood.
2. Physiology. A plasma cell; = plasmacyte n.
ΘΚΠ
the world > life > biology > substance > cell > types of cells > [noun] > phagocytic cells > plasmocyte
plasma cell1882
plasmocyte1904
plasmablast1937
plasmacyte1937
plasmoblast1940
1904 Lancet 4 Oct. 1106/2 It was hoped either that the toxæmia or the plasmocytes or the general inflammatory condition causing or accompanying this disease might in some way be modified or arrested.
1932 Lancet 3 Sept. 550/1 The destruction of the treponema is accomplished by phagocytosis exerted by these macrophages, by plasmocytes, and by stellate Küpffer cells.
1968 Brain 91 317 Plasmocytes, known to be intimately connected to antibody production, are said to be normally absent from the cerebrospinal fluid.
1993 Jrnl. Forensic Sci. 38 617 Additional screening permitted the observation of dispersed inflammatory foci consisting of lymphocytes, plasmocytes and macrophages.
2000 Proc. National Acad. Sci. U.S.A. 97 26/1 GCs [= germinal centers] are secondary follicles responsible for B cell memory formation and plasmocyte maturation.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1897
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