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A testicle or testis (pl. testes) is the gonad in all male bilaterians, including humans, and is homologous to the ovary in females. Its primary functions are the production of sperm and the secretion of androgens , primarily testosterone .
Testis in the place of its original formation; t', together with the dotted lines above, indicates the direction in which the testis and epididymis descend from the abdomen into the scrotum. Skene's glands a.k.a. paraurethral gland: pr. Prostate: u. Uterus. The uterine tube of the right side is marked m. va. Vagina: vh. Ductus aberrans: vs ...
The caput epididymidis is fused to the testis in eutherian mammals, but not in marsupials. [13] In reptiles, there is an additional canal between the testis and the head of the epididymis and which receives the various efferent ducts. This is, however, absent in all birds and mammals. [14]
The connective tissue of the tunica albuginea testis extends into the substance of the testis to form fibrous partitions - the septa testis. [1] At the posterior aspect of the testis (where the serosa of testis is deficient to allow for the attachment of the epididymis), the tunica albuginea extends into the testis to form the mediastinum ...
Anatomy photo:36:07-0301 at the SUNY Downstate Medical Center—"Inguinal Region, Scrotum and Testes: Layers of the Spermatic Cord" Anatomy photo:44:02-0301 at the SUNY Downstate Medical Center—"The Male Pelvis: Distribution of the Peritoneum in the Male Pelvis" MedicalMnemonics.com: 2424 319 [dead link ]
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A spermatogonium (plural: spermatogonia) is an undifferentiated male germ cell. Spermatogonia undergo spermatogenesis to form mature spermatozoa in the seminiferous tubules of the testicles. There are three subtypes of spermatogonia in humans: Type A (dark) cells, with dark nuclei.
Articles relating to the testicle, the male reproductive gland or gonad in all animals, including humans. Subcategories This category has the following 5 subcategories, out of 5 total.