Chapter 21
Integumentary
system
SKIN
Epidermis
Pigmentary disorders
• Piebaldism
• Waardenburg syndrome
• Albinism
• vitiligo
DERMIS
• Origin: lat. Plate mesoderm & dermatomes of somites
Corium & subcorium
• Vernix caseosa: whitish paste covering skin at birth
• Protection
Ichthyosis
HAIR
MAMMARY GLANDS
polythelia & polymastia