Outer covering of the testes is:
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- \( \text{Tunica albuginea} \)
- \( \text{Tunica vaginalis} \)
- \( \text{Tunica media} \)
- \( \text{Tunica vasculosa} \)
The Correct Option is B
Solution and Explanation
Step 1: Anatomy of the testes. The testes are covered by multiple layers for protection and structural integrity: 1. Tunica vaginalis: The outermost layer derived from the peritoneum. 2. Tunica albuginea: A dense fibrous layer beneath the tunica vaginalis, providing support. 3. Tunica vasculosa: The innermost vascular layer.
Step 2: Explanation of tunica vaginalis. The tunica vaginalis is a double-layered serous membrane covering the testes. It reduces friction and provides protection during movement.
Step 3: Comparison with other options. - Option \( (A) \): Tunica albuginea is a fibrous layer located beneath the tunica vaginalis. - Option \( (C) \): Tunica media is not related to the testes; it refers to a layer in blood vessels. - Option \( (D) \): Tunica vasculosa is the innermost vascular layer of the testes.
Conclusion: The outer covering of the testes is \( (B) \ \text{Tunica vaginalis} \).
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