exosporium

名词 n.

英文释义

名词 n.
  1. The outer layer of a pollen grain or spore; the exine.

词形变化

exosporia plural

词源

Etymology tree
Ancient Greek ἐκ (ek)
Ancient Greek ἔξω (éxō)der.
English exo-
English spore
Proto-Indo-European *-om
Proto-Italic *-om
Latin -umder.
English -ium
English exosporium
From exo- + spore + -ium.
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