Studies on placental circulation in rats. III. Vascularization of the yolk sac.
D000818:Animals; D002319:Cardiovascular System; D005260:Female; D009389:Neovascularization, Pathologic; D021041:Placental Circulation; D011247:Pregnancy; D051381:Rats; D015017:Yolk Sac / Q000098:blood supply*
YOLK SAC/blood supply