Fenestrae Are Structures That

question 1

Multiple Choice

Fenestrae are structures that:

• A) Allow communication between smooth muscle cells otherwise separated by an elastic lamina in the tunica media
• B) Allow for the diffusion of molecules between the cytoplasm of the endothelium and underlying smooth muscle cells
• C) Anchor the bases of valves to the endothelium of lymphatic vessels
• D) Carry electrical impulses in the endocardium of the heart
• E) Penetrate through the cytoplasm of endothelial cells of capillaries

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