Testicle
A testicle or testis (pl.: testes) is the male gonad in all bilaterians, including humans. It is homologous to the female ovary. The functions of the testicles are to produce both sperm and androgens, primarily testosterone. Testosterone release is controlled by the anterior pituitary luteinizing hormone, whereas sperm production is controlled both by the anterior pituitary follicle-stimulating hormone and gonadal testosterone.
| Testicle | |
|---|---|
Diagram of inner structures of a human testicle (the labelling "seminal vesicle lobules" is incorrect and should be "testicular lobules" instead) | |
Diagram of the external features and surrounding structures of the testicles of an adult male | |
| Details | |
| Artery | Testicular artery |
| Vein | Testicular vein, Pampiniform plexus |
| Nerve | Spermatic plexus |
| Lymph | Lumbar lymph nodes |
| Identifiers | |
| Latin | testis |
| MeSH | D013737 |
| TA98 | A09.3.01.001 |
| TA2 | 3576 |
| FMA | 7210 |
| Anatomical terminology | |
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