plasm

名词 n.
中文释义
美 /ˈplæzəm/

英文释义

名词 n.
  1. Protoplasm. archaic,countable,uncountable
    — "And that the germ plasm is different from the parthenogenetic egg?" "Why, surely!" I cried, and gloried in my own audacity.
  2. A mold or matrix in which anything is cast or formed to a particular shape. countable,uncountable
    — A man very rarely has an image of a person with whom he is livingly, vitally connected. He only has dream-images of the persons who, in some way, oppose his life-flow and his soul's freedom, and so become impressed upon his plasm as objects of resistance.
  3. A membrane or cell layer, especially one in an embryo that later develops into a structure; the constituent cells of such a layer. countable,uncountable
    — 1990, Robert Wall, This Side Up: Spatial Determination in the Early Development of Animals, Cambridge University Press, 2005, paperback, page 96, The last chapter showed severe limitations in the concept of 'mosaic' development as it applies to spiralian embryos. It did, however, demonstrate differential segregations occurring at cleavage there, and seen for visibly distinct plasms, some macromolecules and determinants inferred from experimental studies.

词形变化

plasms plural

词汇关系

衍生词
alloplasm chordoplasm germplasm germ plasm heteroplasm hyaloplasm karyoplasm myoplasm neoplasm nucleoplasm plasmolysis plasome pole plasm somatoplasm teleplasm xenoplasm
相关词
cytoplasm ectoplasm mictoplasm -plasm plasma plasmodium protoplasm

词源

From Late Latin plasma (“mold”) or Ancient Greek πλάσμα (plásma, “something formed”), in some cases via German Plasma or French plasme, like English plasma.
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