Download - Integumentary System
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Integumentary SystemIntegumentary System
Anatomy and Physiology
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System Includes
Sweat glands Oil Glands Hair Nail Layers of skin Cutaneous membranes Skin pathogens Sensory receptors
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The Skin
The skin is the largest organ on or in the body
Protects the body from foreign agents and germs
Can sense temperature, pain, touch, and pressure
The skin secrete fluids through the sweat glands and sebaceous
The skin has three main layers
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Three layers of skin
Skin
Epidermis(the outer membrane
Layer)
Dermis
( the middle layer)
Subcutaneous
(the deepest layer)
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Epidermis
Has stratified squamous epithelium, that consist of scale-like cells
Does not have a blood supply or connective tissues
Depends on nourishment from the deeper layers of skin
Contains two cells called Keratin and Melanocytes
The basal layer is the deepest layer within the epidermis
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Deeper layers
Dermis Compose of
connective tissues Compose of collagen
fibers
Subcutaneous House cells called
lipocytes Act as an insulation for Act as an insulation for
heat and coldheat and cold Contains fatty tissuesContains fatty tissues
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Accessory Organs
Hair Nails Sweat Glands Sebaceous
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Hair
Hair ShaftGrows toward the
Skin surface
FollicleHair root
force older keratinCells to move upward
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Nails
Nail body is the flat-plate keratin that covers the ends of fingers and toes, or nail bed
Nail root is the base of the nail and protected by the cuticle
The free edge is the edge of the nails
Lunula is the half-circle area at the base of the nail
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Sweat Glands
Sudoriferous glands are found throughout the body, and found in the dermis
Sweat duct is the surface of the skin Sweat pore is the opening of the skin
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Skin Pathogens
Skin lesions Skin discolorations Skin diseases Skin cancers Burns or infections Skin viruses
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Diagnostic Procedures
Clinical Laboratory Tests
Culture and sensitivity
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Therapeutic Procedures
Skin Grafting Surgical procedures Plastic surgery
procedures
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The End