What structure of the testis directs the sperm into the epididymis? A. Rete testis B. Straight tubule C. Ductus deferens D. Seminiferous tubule
Question
What structure of the testis directs the sperm into the epididymis?
A. Rete testis
B. Straight tubule
C. Ductus deferens
D. Seminiferous tubule
Solution
The structure of the testis that directs the sperm into the epididymis is A. Rete testis.
Here's a step-by-step explanation:
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Sperm production begins in the Seminiferous tubules (D), which are located within the testes.
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Once the sperm are produced, they move into the Straight tubule (B), also known as the tubuli recti.
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The Straight tubule then leads the sperm into the Rete testis (A), a network of delicate tubules located in the hilum of the testicle.
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From the Rete testis, the sperm are transported to the epididymis.
So, the Rete testis (A) is the structure that directs the sperm into the epididymis. The Ductus deferens (C) is involved later in the journey of the sperm, transporting mature sperm to the urethra in preparation for ejaculation.
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