ectooecium

名词 n.
中文释义

英文释义

名词 n.
  1. The outer, often calcified, layer of the wall of an ovicell of a bryozoan.
    — Ovicell hyperstomial (i.e. prominent), often becoming subimmersed by secondary calcification during ontogeny, completely calcified ectooecium with conspicuous frontal pseudopores, not closed by autozooidal operculum.

词形变化

ectooecia plural
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