Tags: Anatomical Structure, Embryology.
The body-stalk is a band of mesoderm that first connect the caudal end of the embryo to the chorionWith the formation of the caudal fold the body-stalk assumes a ventral position; a diverticulum of the yolk-sac extends into the tail fold and is termed the hind-gut.The function of the body-stalk is later replaced by the umbilical cord.
