How would you explain the avascular nature of epithelial tissues to another student who needs clarification on this concept? a.

Question

How would you explain the avascular nature of epithelial tissues to another student who needs clarification on this concept?
a. Epithelial cells release mucus and specific chemical compounds, but they do not allow any materials to cross their barriers.
b. Several main blood vessels supply the tissue with nutrients and specific chemical compounds needed to perform its functions.
c. No blood vessels cross the basement membrane to enter the tissue, and nutrients must come by diffusion or absorption from underlying tissues or the surface.
d. Epithelial cells transport materials to the acidic environment of the stomach.

Kunduz · Accepted Answer

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