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Leydig Cell

[lahy-dig] Noun 1. Found adjacent to the seminiferous tubules in the testicle. They produce testosterone in the presence of luteinizing hormone (LH). Leydig cells are polyhedral in shape, display a large prominent nucleus, an eosinophilic cytoplasm and numerous lipid-filled vesicles. (wikipedia.org) 2. One of the interstitial cells, located next to the seminiferous tubules inside the testicle, that produce testosterone. (wiktionary.org) 3. A cell in the testes that secretes the hormone testosterone. (wordnetweb.princeton.edu) 4. Any of the interstitial cells of the testes that produce androgens. (Random House Dictionary, © Random House, Inc. 2013.) 5. A cell of interstitial tissue of the testis that is usually considered the chief source of testicular androgens and especially testosterone. (merriam-webster.com) Syn: interstitial cells of Leydig. Word origin: Named after F. von Leydig (1821–1908), German...

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