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Multiple Choice
Which structure receives sperm from the efferent ductules and sends it on to the vas deferens?
A
Epididymis
B
Prostate gland
C
Seminiferous tubule
D
Bulbourethral gland
Verified step by step guidance
1
Step 1: Begin by identifying the role of each structure listed in the options. The epididymis is a coiled tube located on the posterior side of the testes that stores and transports sperm. The prostate gland produces seminal fluid but does not transport sperm. The seminiferous tubules are the site of sperm production within the testes. The bulbourethral gland secretes mucus-like fluid but is not involved in sperm transport.
Step 2: Understand the pathway of sperm transport. Sperm is produced in the seminiferous tubules, then moves to the rete testis, and subsequently enters the efferent ductules. From the efferent ductules, sperm is transported to the epididymis for maturation and storage.
Step 3: Recognize that the epididymis is the structure that receives sperm from the efferent ductules. It plays a critical role in sperm maturation and storage before the sperm is sent to the vas deferens during ejaculation.
Step 4: Eliminate incorrect options based on their functions. The prostate gland, seminiferous tubules, and bulbourethral gland do not receive sperm from the efferent ductules or send it to the vas deferens. Only the epididymis fulfills this role.
Step 5: Conclude that the correct answer is 'Epididymis,' as it is the structure responsible for receiving sperm from the efferent ductules and sending it to the vas deferens.