The uptake ratio between the thyroid and thymus as an index of thyroid function in assays of thyrotrophic hormone with P32 as indicator.
D006728:Hormones; D010758:Phosphorus; D010761:Phosphorus Radioisotopes; D010902:Pituitary Gland; D010903:Pituitary Gland, Anterior; D013950:Thymus Gland / Q000378:metabolism*; D013961:Thyroid Gland / Q000378:metabolism*; D013972:Thyrotropin
D006728:Hormones; D010761:Phosphorus Radioisotopes; D010758:Phosphorus; D013972:Thyrotropin
PHOSPHORUS/radioactive; PITUITARY GLAND, ANTERIOR/hormones; THYMUS/metabolism; THYROID GLAND/metabolism