Light-microscopic studies on the development of the interrelationship between the neurosecretory pathway and the portal system in rats.
D000818:Animals; D000831:Animals, Newborn; D002196:Capillaries / Q000254:growth & development; D007030:Hypothalamo-Hypophyseal System / Q000254:growth & development*; D009489:Neurosecretion / Q000502:physiology*; D010902:Pituitary Gland / Q000098:blood supply* / Q000166:cytology / Q000254:growth & development; D051381:Rats