Skin SciencesPregunta 34 de 100
What is the primary function of the subcutaneous (subcutis) layer?
a.Producing melanin for UV defense
b.Providing fat storage, insulation, contour, and shock absorption
c.Shedding dead cells to keep the surface smooth
d.Manufacturing sebum for the acid mantle
Explicación
The subcutaneous layer is adipose and connective tissue that cushions underlying structures, insulates the body, and gives the face its contour, which is why its loss with age contributes to hollowing and sagging. Melanin comes from the basal layer, desquamation occurs at the corneum, and sebum is produced by sebaceous glands in the dermis.
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