The patterns of ridges and grooves visible on the skin of the soles and palms reflect the arrangement of the _______ elevations beneath.
A) collagen
B) subcutaneous
C) dermal
D) sebum

Question

Quizplus · Accepted Answer

The patterns of ridges and grooves on the skin of the soles and palms, also known as fingerprints and footprints, are formed by the arrangement of dermal elevations beneath the skin's surface. These elevations are a result of the dermis and epidermis folding to accommodate underlying structures such as sweat glands and blood vessels.

The Patterns of Ridges and Grooves Visible on the Skin