androgen insensitivity syndrome

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androgen

 [an´dro-jen]
any steroid hormone that promotes male secondary sex characters. The two main androgens are androsterone and testosterone. Called also androgenic hormone. adj., adj androgen´ic. 

The androgenic hormones are internal endocrine secretions circulating in the bloodstream and manufactured mainly by the testes under stimulation from the pituitary gland. To a lesser extent, androgens are produced by the adrenal glands in both sexes, as well as by the ovaries in women. Thus women normally have a small percentage of male hormones, in the same way that men's bodies contain some female sex hormones, the estrogens. Male secondary sex characters include growth of the beard and deepening of the voice at puberty. Androgens also stimulate the growth of muscle and bones throughout the body and thus account in part for the greater strength and size of men as compared to women.
androgen insensitivity syndrome complete androgen resistance.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

an·dro·gen re·sis·tance syn·dromes

a class of disorders associated with 5α-steroid reductase deficiency, testicular feminization, and related disorders. Compare: steroid 5α-reductase, Reifenstein syndrome, infertile male syndrome, testicular feminization syndrome.
Farlex Partner Medical Dictionary © Farlex 2012

androgen insensitivity syndrome

n.
An inherited condition in which the body cells are completely or partially unable to respond to androgens, resulting, in the complete form, in a person with an XY karyotype developing typical female external genitalia but usually no uterus, a short vagina, and undescended or partially descended testes. People with mild or partial forms are infertile and have a variety of phenotypes.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

an·dro·gen re·sis·tance syn·dromes

(an'drŏ-jen rĕ-zis'tăns sin'drōmz)
A class of disorders associated with 5α-steroid reductase deficiency, testicular feminization, and related disorders.
Compare: Reifenstein syndrome, testicular feminization syndrome
Synonym(s): androgen insensitivity syndrome.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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