Hypothalamo-hypophyseal control of the sexual activity in birds.
D000818:Animals; D001717:Birds / Q000502:physiology*; D007031:Hypothalamus / Q000502:physiology*; D010902:Pituitary Gland / Q000502:physiology*; D012098:Reproduction / Q000502:physiology*; D012725:Sexual Behavior
BIRDS/physiology; HYPOTHALAMUS/physiology; PITUITARY GLAND/physiology; REPRODUCTION/physiology