protostoma

[医] 胚孔

词形变化

protostomata 复数 protostomata

释义与例句

n.
  1. 1.

    Synonym of blastopore.

    废旧 医学
  2. 2.

    In nematodes, a particular division of the stoma (mouthlike opening).

    生物 动物学

词源

From proto- + Ancient Greek στόμα (stóma, “mouth”).

来源：wiktionary