[Development of thyrotropic regulation in young rats].
D000375:Aging; D000818:Animals; D010902:Pituitary Gland; D010903:Pituitary Gland, Anterior / Q000502:physiology*; D051381:Rats; D013961:Thyroid Gland / Q000502:physiology*
AGING; PITUITARY GLAND, ANTERIOR/physiology; THYROID GLAND/physiology