As nouns the difference between blastopore and protostoma
is that blastopore is the opening into the archenteron while protostoma is blastopore.
blastopore
Noun
(
en noun)
(embryology) The opening into the archenteron.
Derived terms
* blastoporal
* blastoporic
protostoma
English
Noun
(protostomata)
blastopore
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