Talk:Book - Umbilicus (1916) 1
From Embryology
Development of the
Amnion.
Yolk-sac.
Body-stalk.
Allantois and Urachus.
Ccelom.
Umbilical vessels.
Umbilical cord.
Omphalomesenteric duct.
Development of the
Amnion.
Yolk-sac.
Body-stalk.
Allantois and Urachus.
Ccelom.
Umbilical vessels.
Umbilical cord.
Omphalomesenteric duct.