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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
Dec 2, 20213 min read


HAIR AND ITS STRUCTURE
Hairs, or pili, are present on maximum pores and skin surfaces besides the palms, palmar surfaces of the arms, the soles, and plantar...
PTM
Jun 11, 20215 min read