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PTM
Dec 2, 20213 min read
DEVELOPMENT OF THE INTEGUMENTARY SYSTEM
The dermis springs from the ectoderm, which covers the floor of the embryo. Initially, at approximately the fourth week after...
PTM
Nov 23, 20216 min read
SKIN GLANDS
Skin Glands The glands are epithelial cells that secrete a substance. numerous types of exocrine glands are related to the skin:...