Photoperiodic and osmotic influences on the ultrastructure of the hypothalamic neurosecretory system of the white-crowned sparrow, Zonotrichia leucophyrs gambelii.
D000818:Animals; D001717:Birds / Q000502:physiology*; D007031:Hypothalamus / Q000502:physiology*; D008027:Light; D009489:Neurosecretion / Q000502:physiology*; D009995:Osmosis; D010902:Pituitary Gland / Q000502:physiology*