hypoleydigism

Subnormal secretion of androgens by the interstitial (Leydig) cells of the testes.

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hy·po·ley·dig·ism -'lī-dig-.iz-əm n decreased or insufficient function of the Leydig cells

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hy·po·ley·dig·ism (hi″po-liґdig-iz-əm) abnormally diminished functional activity of Leydig cells; resulting in hypoandrogenism.