The epidermis receives its nourishment from what source?
a. Melanocytes
b. Epithelial cells
c. Dermis
d. Epidermal capillaries
ANS: C
The epidermis is made of stratified squamous epithelial tissue and is avascular, meaning that it has no capillaries within it. Its nourishment comes from the dermis beneath it. Melanocytes are cells in the lower epidermis that produce the protein melanin; the epidermis does not have its own blood supply.
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