Question

basement membrane is made up of​

Answer 1

The basal lamina is a layer of extracellular matrix secreted by the epithelial cells, on which the epithelium sits. It is often incorrectly referred to as the basement membrane, though it does constitute a portion of the basement membrane.

Answer 2

Answer:

The basement membrane is composed of collagen type IV, laminins, entactin/nidogen, and proteoglycans that the epithelial cells themselves secrete.

Explanation:

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