Histological changes in the pituitary gland of the Pacific salmon (genus Oncorhynchus) accompanying sexual maturation and spawning.
D000818:Animals; D005399:Fishes / Q000502:physiology*; D017683:Oncorhynchus; D010902:Pituitary Gland / Q000502:physiology*; D012098:Reproduction / Q000502:physiology*; D012741:Sexual Maturation
FISH/physiology; PITUITARY GLAND/physiology; REPRODUCTION/physiology