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词汇 prothallial cell
释义

Definition of prothallial cell in English:

prothallial cell

noun
Botany
  • (In gymnosperms and certain pteridophytes) the smaller of two cells formed by the first asymmetric division of the microspore, sometimes undergoing further division and representing the vegetative tissue of the gametophyte.

Origin

Late 19th century; earliest use found in The Botanical Gazette.

Definition of prothallial cell in US English:

prothallial cell

noun
Botany
  • (In gymnosperms and certain pteridophytes) the smaller of two cells formed by the first asymmetric division of the microspore, sometimes undergoing further division and representing the vegetative tissue of the gametophyte.

Origin

Late 19th century; earliest use found in The Botanical Gazette.

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