The appendix of the testis is a tiny stalk-like remnant of the embryonic paramesonephric duct, attached to the upper pole of the testis. It is present in most males.
| Location | Upper pole of the testis, near the head of the epididymis |
|---|---|
| Parts |
|
| Nerve Supply | Testicular plexus |
| Blood Supply | Testicular artery branches |
| Venous drainage | |
| Lymphatic drainage |
|
No known function; it is a developmental remnant.
Twisting of the appendix is a common cause of acute scrotal pain in boys aged 7-12 and must be distinguished from testicular torsion. A small blue dot may be seen through the scrotal skin. It usually settles with rest and pain relief.
Twisting of the remnant causing sudden pain at the upper pole of the testis in boys.
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