Which molecules in the skin attach directly to the basal lamina beneath the keratinocytes?
a. Anchoring fibrils of type VII collagen
b. Banded fibers of type II collagen
c. Clathrin
d. Keratin fibers
e. Microtubules
ANS: A
A tangled network of fibers of type VII collagen binds to the basal lamina and loops around fi-bers of type I collagen in the dermis; it has a vital role in maintaining the attachment of the epi-dermis to the dermis.
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