anterior 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.

anterior neuropore

the opening of the embryonic neural tube in the anterior portion of the prosencephalon. It closes on day 25. Compare posterior neuropore. See also horizon.
References in periodicals archive ?
In appropriate closure of the anterior neuropore (fronticulus forntalis).
During the intrauterine life, due to some unknown etiological factor inappropiate closure of the anterior neuropore occurs which causes an outpouching of the meninges and the neural tissue.
Ventrally the coelom ends in a blind sac; dorsally it extends extremely posteriorly into the stalk and opens to the outside through a single proboscis pore just left of the dorsal midline of the proboscis stalk and almost into the anterior neuropore.

Medical browser ?
Full browser ?