The morphological differentiation of the internal sphincter muscle of the anus in the human embryo and fetus.
Bourdelat
D
D
Service de Chirurgie Pédíatrique, Hôpital Delafontaine, Saint-Denis, France.
Barbet
J P
JP
Hidden
G
G
D001003:Anal Canal / Q000196:embryology*; D005314:Embryonic and Fetal Development; D005260:Female; D006801:Humans; D011247:Pregnancy