Which structure lies along the posterior aspect of the testis and contains ducts that connect to the rete testis?

Which structure lies along the posterior aspect of the testis and contains ducts that connect to the rete testis?

• A. Mediastinum testis
• B. Epididymis
• C. Rete testis
• D. Tunica albuginea

Answer: (A)

The key idea is how the sperm ducts are organized around the testis. The rete testis is a network inside the testis, located in the mediastinal region, and it drains sperm from the seminiferous tubules into the efferent ductules. Those efferent ducts then carry sperm to the head of the epididymis, which sits along the posterior border of the testis. So the structure that lies along the back of the testis and contains ducts that connect to the rete testis is the epididymis. The mediastinum testis houses the rete testis itself inside the organ, not along the surface, and the tunica albuginea is just the fibrous capsule surrounding the testis.

The key idea is how the sperm ducts are organized around the testis. The rete testis is a network inside the testis, located in the mediastinal region, and it drains sperm from the seminiferous tubules into the efferent ductules. Those efferent ducts then carry sperm to the head of the epididymis, which sits along the posterior border of the testis. So the structure that lies along the back of the testis and contains ducts that connect to the rete testis is the epididymis. The mediastinum testis houses the rete testis itself inside the organ, not along the surface, and the tunica albuginea is just the fibrous capsule surrounding the testis.