Integumentary System Made of several organs including Skin Hair Nails Sweat glands Oil glands.

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Presentation transcript:

Integumentary System Made of several organs including Skin Hair Nails Sweat glands Oil glands

The Integumentary System Protects

The Integumentary System Regulates Body Temperature

The Integumentary System Synthesizes and Stores Vitamin D Lipids

The Integumentary System Allows Sensations Touch Pressure Temperature Pain

The Integumentary System Excretes and Secretes Secretes: Precursor to Vitamin D Melanin Excretes: Water Urea Salts Milk

Structure of the Skin

Epidermis

Keratinocytes and Melanocytes

Thin vs Thick Skin

Stratum Corneum Dandruff Corns and Calluses

Dermis of Skin

Fingerprints

Reticular Layer of Dermis Wrinkles Lines of Cleavage (Tension Lines)

Structures in the Dermis Blood vessels

Meissner’s Corpuscles (Looks like cotton candy) Structures in the Dermis

Pacinian Corpuscles Structures in the Dermis

Exocrine glands Muscles (Arrector pili) Hair Nails

Skin Color

Cyanosis

Accessory Structures of the Skin: Hair

Hair Shaft and Hair Root

Hair Shaft and Hair Root Have 3 Layers Medulla Cortex Cuticle

Hair Follicle and Hair Bulb

Functions of Hair Senses Guards Shields Protects

Hair Color

Sebaceous Glands

Sebaceous Gland

Sudoriferous (Sweat) Glands

Eccrine Sweat Glands

Apocrine Sweat Glands Pubic Hair Axillary Hair

Apocrine Sweat Glands (wide lumen) Eccrine Sweat Glands (narrow lumen)

Ceruminous Glands

Nails

Toe Nail

Nail Root and Nail Matrix

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