morphoplasmn.
/ˈmɔːfə(ʊ)ˌplaz(ə)m/, U.S. /ˈmɔrfəˌplæzəm/ Biology. rare (now historical).
A distinct component of the protoplasm of a cell: (a) = trophoplasm n. at tropho- comb. form 1; (b) = metaplasm n.2
ΘΚΠ
the world > life > biology > substance > cell > cell substance > [noun] > protoplasm or cytoplasm
biogen1848
protoplasm1848
protoplast1851
matrix1854
cytoplasm1857
plasma1863
bioplasm1869
plasmogen1888
morphoplasm1893
periplasm1925
1893 W. N. Parker & H. Rönnfeldt tr. A. Weismann Germ-plasm 38 I shall..call the vital substance of the cell the ‘formative plasm’ or morphoplasm..in contrast to the idioplasm.
1900 Amer. Naturalist 34 322 [According to His] the protoplasm [of the salmon egg]..is made up of a clear ‘Hyaloplasma’ and a turbid, granular ‘Morphoplasma’.]
1913 Philos. Rev. 22 95 In his [sc. Weismann's] last theory, as in the first, he recognizes two elements in the cell,—morphoplasm for the cellular body and idioplasm for the nucleus.
Derivatives
morphoˈplasmic adj.
ΚΠ
1900 Amer. Naturalist 34 323 This morphoplasmic framework is continuous with the nucleus.
1906 Science 2 Mar. 340/1 The search for cell homologies has given place in large measure to the search for ‘formative substances’, ‘morphogenic substances’ or ‘morphoplasmic substances’ as the visible differentiations of the egg have been variously called.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.1893