Sac of skin that protects the testicles
Scrotum |
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Human scrotum in a relaxed state (left) and a tense state (right) |
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Precursor | Labioscrotal swellings |
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System | Reproductive system |
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Artery | Anterior scrotal artery, posterior scrotal artery, deep external pudendal artery, superficial external pudendal artery, internal pudendal artery |
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Vein | Posterior scrotal veins, internal pudendal veins |
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Nerve | Posterior scrotal nerves, anterior scrotal nerves, genital branch of genitofemoral nerve, perineal branches of posterior femoral cutaneous nerve, pudendal nerve, perineal nerve |
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Lymph | Superficial inguinal lymph nodes |
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Latin | scrotum |
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MeSH | D012611 |
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TA98 | A09.4.03.001 A09.4.03.004 |
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TA2 | 3693 |
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FMA | 18252 |
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Anatomical terminology |
In most terrestrial mammals, the scrotum (pl.: scrotums or scrota; possibly from Latin scortum, meaning "hide" or "skin")[1][2] or scrotal sac is a part of the external male genitalia located at the base of the penis. It consists of a sac of skin containing the external spermatic fascia, testicles, epididymides, and vasa deferentia. The scrotum will usually tighten when exposed to cold temperatures.
The scrotum is homologous to the labia majora in females.