TST has various meanings in the Medical category. Discover the full forms, definitions, and usage contexts of TST in Medical.
Testosterone is a steroid hormone from the androgen group and is found in mammals, reptiles, birds, and other vertebrates. In mammals, testosterone is secreted primarily by the testicles of males and the ovaries of females, although small amounts are also secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid.
MedicalA hard shelll produced by some unicellular protists; may be made of calcium carbonate, silica, or sand grains.
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