Homeostatic Imbalances:Integumentary System

Stretch Marks

Tearing of the reticular layer of the dermis

Bed Sores

-Person lying in same position will prevent blood flow to dermis

-Consequences: Cells die and open wounds form

Rickets-Prolonged lack of exposure to sunlight = little vitamin D-Vitamin D- Helps regulate metabolism of phosphorus and calcium

Hirsutism

• Excessive body and facial hair

Neoplasms

-Growths on/in the skin

-Examples- warts, cysts, skin cancer

Burns/Frostbite

• Extreme temperatures have a drastic affect on integumentary system

• Kill stratum basale in extreme cases

Fixing Burns/Frostbite

• Skin Grafts– Taking epidermis from a donor site and putting it

in a damaged site.

Synthetic Skin

-Animal tissue bonded to silicon film

Scars

• Deep enough cuts cause stratum granulosum to become scar tissue

Aging

• Collagen fibers in dermis become hard and thick

• Adipose tissue in hypodermis diminishes– Makes skin thin

• Less Epithelial derivatives