Skin and Body Membranes I and II Types of Body Membranes Cutaneous, mucus, serous The Integumentary System (Skin) Skin Structure (epidermis, dermis) Skin Color (pigments and body conditions) Appendages of the Skin (oil & sweat, hair, nails) Diseases/Injuries to Skin (infections, burns, cancer) Changes in the Skin Over a Lifetime
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Skin and Body Membranes I and II Types of Body Membranes Cutaneous, mucus, serous The Integumentary System (Skin) Skin Structure (epidermis, dermis)
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Skin and Body Membranes I and II Types of Body Membranes
Cutaneous, mucus, serous
The Integumentary System (Skin)
Skin Structure (epidermis, dermis)
Skin Color (pigments and body conditions)
Appendages of the Skin (oil & sweat, hair, nails)
Diseases/Injuries to Skin (infections, burns, cancer)
Changes in the Skin Over a Lifetime
Mucous Membranes: Prone to Dessication
Also:
Urethra
Vaginal tract
Digestive tract, anus
Nostrils
Epithelium of the esophagus
Found lining the inside edges of organs or tracts
that empty into the exterior of the body
Serous Membranes- Thin linings of organs and body wall
• Parietal serosae line internal body walls
• Visceral serosae cover internal organs
Connective Tissue Membrane Synovial membrane
Cutaneous Membrane
Functions of the Integumentary System1. Protection (chemical, physical, biological)
2. Body temperature regulation ( perspiration, dermal vessels)
3. Cutaneous sensations (temperature, touch, and pain)
4. Metabolic functions (synthesis of vitamin D precursor and collagenase; chemical conversion of carcinogens and some hormones
5. Blood reservoir—up to 5% of body’s blood volume