Membranes and Layers
What is the difference between visceral and parietal membranes?
Parietal outside layer, visceral inside layer
What are the 3 layers of hair?
Cuticle, Cortex, and Medulla
Acne is the infection of what gland?
Sebaceous gland
What layer of the epidermis is where new skin cells are being made?
stratum basale
Where do you find serous membranes?
body cavities not open to the outside
What is the sheath that surrounds the hair root?
Hair follicle
What is contact dermatitis?
exposure of allergen to the skin that causes a reaction
What is the hypodermis made of?
Adipose (fat) tissue
Where is the hypodermis found?
beneath the dermis
What kind of tissues are nails?
heavily keratinized (hard) epithelial tissue
What are the biggest threats to life from 3rd degree burns?
Infection and dehydration, circulatory shock, and electrolyte imbalance
What structures cause fingerprints in the papillary layer of the dermis?
Dermal papillae
What are the 2 layers of the dermis
Papillary and Reticular
What is in sweat?
mostly water, metabolic waste, sometimes has proteins and fatty acids
Blue color to skin from lack of oxygen
Why is it helpful that the topmost layer of the epidermis is hardened?
To help protect everything below the skin
What type of cells are found in the stratum corneum
dead, keratinized, squamous cells
Where do you find the arrector pili muscle?
dermis attached to the hair follicle
What are the most common reasons people develop skin conditions?
allergies and infections