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单词 homoplast
释义

homoplastn.

/ˈhɒməʊplast/
Etymology: formed as homoplasmy n. + Greek πλαστός moulded: compare bioplast.
Biology.
1. An organ or part homoplastic with another (see homoplastic adj.); opposed to homogen n. 2.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > part similar to that of a different animal
analogue1817
homoplast1870
isomere1884
1870 E. R. Lankester in Ann. Nat. Hist. 6 39 Such details of agreement..we must set down to the fact that they are to a great degree homoplasts, similar forces or requirements operating on similar materials in the two stocks..having produced results in the way of structure which have a certain agreement.
2. An aggregate or fusion of plastids all of the same structure: opposed to alloplast.
ΘΚΠ
the world > life > biology > substance > cell > cell organelle or contents > [noun] > plastids or aggregate of
homo-organ1883
homoplast1883
trophoplast1883
plastid1885
chloroplast1887
chromatophore1895
proplastid1922
plastidome1926
1883 P. Geddes in Encycl. Brit. XVI. 842/2 The idorgan..is..defined as a morphological unit consisting of two or more plastids, which does not possess the positive character of the person or stock. These are distinguished into homoplasts or homo-organs and alloplasts or alloeorgans.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2021).
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n.1870
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更新时间:2024/12/24 11:05:10