The assay of thyrotrophic hormone by the discharge of I from the thyroid of day-old chicks.
D000368:Aged; D000818:Animals; D001681:Biological Assay; D002645:Chickens; D006728:Hormones; D010902:Pituitary Gland; D010903:Pituitary Gland, Anterior; D013961:Thyroid Gland
D006728:Hormones
PITUITARY GLAND, ANTERIOR/hormones