Histologically, which layer is described as squamous epithelium supported by a sparse connective tissue layer?

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Study for the Aandamp;P Blood Vessels Test. Use detailed quizzes with multiple choice questions and comprehensive explanations. Boost your understanding for your exam day!

Multiple Choice

Histologically, which layer is described as squamous epithelium supported by a sparse connective tissue layer?

Explanation:
The description matches the tunica intima. The inner lining of a vessel is endothelium, which is simple squamous epithelium, and it sits atop a sparse subendothelial connective tissue layer. The tunica media is the middle layer of smooth muscle and elastic fibers, not lined by squamous epithelium. The outer tunica externa (adventitia) is mainly connective tissue surrounding the vessel. So the squamous epithelial lining with a sparse connective tissue support describes the tunica intima.

The description matches the tunica intima. The inner lining of a vessel is endothelium, which is simple squamous epithelium, and it sits atop a sparse subendothelial connective tissue layer. The tunica media is the middle layer of smooth muscle and elastic fibers, not lined by squamous epithelium. The outer tunica externa (adventitia) is mainly connective tissue surrounding the vessel. So the squamous epithelial lining with a sparse connective tissue support describes the tunica intima.

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