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Seminiferous in Medical News

Penn vet researchers identify a critical growth factor that stimulates sperm stem cells to thrive

...1 in both pre-pubertal and adult testes was localized to clusters of Leydig cells and select peritubular myoid cells in the interstitial space between seminiferous tubules. Collectively, these results identify Csf1 as an extrinsic stimulator of SSC self-renewal and implicate Leydig and myoid cells as contributors...

Infertility is Seen in Men With SLE

...lleled the severity of sperm abnormalities, suggesting severe damage to the seminiferous tubules (the tiny tubes in which sperm are produced) in SLE. Follicle-...ing hormone (FSH) is a major marker of the function of the cells lining the seminiferous tubules and its higher levels in the group 2 SLE patients suggest testicula...
Seminiferous in Medical Dictionary

Testis

... testis " is a Latin word that ... Each testis is suspended in a outpouching of the peritoneal cavity. ... The bulk of each testis consists of seminiferous tubules embedded in relatively ... From 2002-2006, the median age at death for cancer of the testis was 40 years of age4 X Close ... shows t...

Sertoli

... Sertoli's cell - elongated cells found in the seminiferous tubules ... Molecular biology of the Sertoli ...s produce estrogen, support germ cells, and form seminiferous tubule ... Sertoli cell tumors tend to grow in...ysis of Sertoli cell ultrastructure during the seminiferous ... In addition, Sertoli cell ... However,...
Seminiferous in Biological News

Injection may prevent infertility in men receiving cancer chemotherapy

...fore that of Taxol prevented the Taxol-induced weight loss. "Tissue analysis of the testes of Taxol-injected mice showed severe atrophy and empty seminiferous tubules, where the sperm-producing cells are contained", said Mr. Carmely. "In contrast, we saw only minimal testicular damage in the group that had ...

Genetic tug of war determines sexual differentiation

...genes leads to the formation of specialized cells known as Sertoli cells, which then spur the cascade of events leading to the formation of the future seminiferous tubules of the adult testis," she continued. "Once the testes are formed, they start producing testosterone, which commits the whole animal to male de...
Seminiferous in Biological Definition

Sperm

... a whip. The cell is characterized by a minimum of cytoplasm. Sperm production Main article: Spermatogenesis Sperm are produced in the seminiferous tubules of the testes in a process called spermatogenesis. Round cells called spermatogonia divide and differentiate eventually to become sperm. D...

Spermatogenesis

...f the sperm cells so viability is maintained. Spermatozoa are produced in seminiferous tubules in the testes . They start off as spermatogonia , undergoing mit...mature testicular spermatozoa. They are then released into the lumen of the seminiferous tubule and travel with fluid from the testis into the epididymis for furt...
Seminiferous in Biological Dictionary

Spermatogonia

...cytes, and ... Undifferentiated type A spermatogonia could repopulate the seminiferous ... Loss of spermatogonia and wide-spread DNA methylation defects in...g single A spermatogonia exist which potentially are the male ... ... seminiferous tubules consist of diploid spermatogonia , stem cells that are the ...

Spermatogenesis

... Spermatogenesis is the process of producing sperm with half the number of ... Spermatogenesis occurs in medullary sex cords which are called seminiferous ... Definition of spermatogenesis from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word game...

Seminiferous tubules

... seminiferous tubules are located in the testicles, and are the...etes, namely spermatozoa. Aspects of the topic seminiferous -tubule are discussed in the following places at B...n some teleosts, testes are composed largely of seminiferous tubules—coiled tubes, the walls of which contain ...

Interstitial cells

... Leydig cells , also known as interstitial cells of Leydig, are found adjacent to the seminiferous tubules in the testicle. They can secrete testosterone and are often closely related to nerves. Leydig cells have round... Interstitial ce...
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