What is the epididymis and where is it located?

The epididymis is a comma-shaped structure found on the superior and posterolateral surface of the testis. It consists of a single, highly coiled duct and plays a key role in sperm maturation and storage.

What are the main parts of the epididymis?

The epididymis has three parts: Head (upper expanded part, formed by efferent ductules connected to the testis), Body (middle narrow part, made up of the coiled duct), and Tail (lower tapered part, which continues as the vas deferens).

What functions does the epididymis serve in the male reproductive system?

The epididymis is crucial for storage and maturation of spermatozoa, absorption of excess fluid from sperm, and adding nutrients and substances to support sperm viability.

What is the sinus of the epididymis?

The sinus of epididymis is a space formed by a fold of the tunica vaginalis, located between the testis and the epididymis.

What are some common clinical conditions related to the epididymis?

Key conditions include testicular tumors (e.g., seminoma and teratoma, which can metastasize to lymph nodes) and torsion of testis (a surgical emergency involving twisting of the spermatic cord, leading to compromised blood supply and severe scrotal pain).

How does the epididymis connect to other structures in the male reproductive system?

The epididymis is closely linked to the testis via efferent ductules at its head and continues as the vas deferens from its tail. It is also associated with the scrotum and tunica vaginalis.

Epididymis – Parts, Function & Sperm Maturation