Skin Histology 2026_2027
System Study
–Guide
Integumentary
Skin Histology
and Exam2026_2027
System
Review.pdf
Study
–Guide
Integumentary
and ExamSystem
Review.pdf
Study Guide and Exam Review.pdf
Skin Histology 2026/2027 –
Integumentary System Study Guide
and Exam Review
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Skin is our _________ organ.
largest
accounts for 7% of body weight
varies in thickness from 1.5 to 4.4mm
The skin is divided into two distinct layers:
epidermis and dermis
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Hypodermis
lies deep to the dermis
composed of areolar and adipose tissues
not part of the integumentary system, but shares some of skin's properties
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the dermis is divided into two layers
the papillary dermis
the reticular dermis
no distinct boundary between layers
functions of the skin
protection, prevention of water loss, sensory reception, vitamin D production, body
temperature regulation, secretion of waste
Protection function of skin
barrier against physical, chemical, and biological agents in external environment
immunologic: Langerhans cells process and present antigens to appropriate immune system
cells
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