Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 5 - The Integumentary System - Checkpoint - Page 161: 16

Answer

Epidermal ridges develop as the result of differential proliferation of cells in certain areas of the stratum basale.

Work Step by Step

The proliferation of cells of the stratum basale form primary pegs that grow downward into the dermis between the dermal papillae in the papillary area.
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