Sexual gland placed in the scrotum. It produces spermatozoa.

Arteries

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Blood supply is via the testicular artery, which arises high up from the abdominal aorta, suggesting its origin from the abdominal genital ridge. Also the testicular artery anastomoses with artery of ductus deferens, and this anastomoses is very important for ligation of testicular artery may not necessarily lead to testicular atrophy.

Veins

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Pampiniform plexus of veins drain the testis and epididymis. They become a single testicular vein at the level of the deep inguinal ring. The testicular vein drains into the inferior vena cava on the right and renal vein on the left.

Nerves:

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They are sympathetic fibers from the T10-11 spinal segment and they pass through the  aortic and renal plexuses travelling along the testicular vessels.

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Afferent fibers for pain sensation have their cells bodies in the spinal ganglion of T10 spinal cord segment.

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There are no parasympathetic supply to the testis or epididymis.

Covering of testis

More on testis

 

 

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1 skin 2 spermatic fasciae 3 lobules of testis 4 mediastinum testis 5 tunica vaginali testis 6 tunica albuginea 7  part of tunica albuginea 8 vas deferens

 

 

 

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