As nouns the difference between archenteron and blastopore
is that archenteron is a primitive alimentary cavity while blastopore is the opening into the archenteron.
archenteron
English
Noun
(en-noun)
(anatomy) A primitive alimentary cavity
Derived terms
* archenteric
blastopore
Noun
(
en noun)
(embryology) The opening into the archenteron.
Derived terms
* blastoporal
* blastoporic