rostral neuropore

(redirected from cranial neuropore)

ros·tral neu·ro·pore

the temporary opening at the extreme rostral (cephalic) end of the early embryonic forebrain; closes at approximately the 20th somite stage (that is, at about 25 days) in humans.
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References in periodicals archive ?
Closure of cranial neuropore occurs at about 25th day (8-20 somite stage) whereas the posterior neuropore closes at about 28th day (25 somite stage).