protostoma (English, noun)
expansion: protostoma (plural protostomata)
Senses:
topics: embryology
medicine
sciences
glosses: Synonym of blastopore.
tags: obsolete
topics: biology
natural-sciences
zoology
glosses: In nematodes, a particular division of the stoma (mouthlike opening).
Forms:
form: protostomata
tags: plural