Dictionary of Human Evolution and Biology

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HGH-resistant Dwarfism

Syndrome that gives rise to members of a breeding population who are characterized by universally short stature (pygmies). Such populations consist entirely of individuals that are homozygous recessives for a hepatic growth hormone (or hormone receptor) normally stimulated by hGH, such as insulin-like growth factor I. Such populations are found in Africa, Australasia, Ecuador, and on the Andaman Islands in the Indian Ocean.

See dwarfism, type II. Aka somatomedin C deficiency, insulin-like growth factor I deficiency, Laron dwarfism.

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