Epididymis

Epididymis is a highly coiled tubular structure, lying on posterior surface and upper pole of the testis. It acts as a reservoir of sperm and allows the sperm to mature by the addition of substance to the seminal fluid to nourish the maturing sperms

Follow up:

Description
Epididymis is subdivided into three parts

• Head; superior expanded part composed of lobules formed by the coiled ends of the efferent ductules.
• Body; consists of the convoluted duct of the epididymis
• Tail; becomes continuous with the vas deferens

Blood Supply
It is supplied by the testicular artery
Lymphatic Drainage – same as the testis, to the preaortic and paraaortic group of lymph nodes.

Clinical significance: Epididymitis