NC#3 Flashcards
Types of glands in the skin
Ceruminous, sebaceous, sudoriferous
Keratinocytes make up 90% of the cells in the
Epidermis
Thin skin contains the layers
Stratum corneum, stratum spinosum, stratum granulosum, stratum basalt
Takes a month or 4-6 weeks for cells from the stratum basale to rise the surface,become keratinized and slough off
True or false
True
Produce oily substance called sebum
Sebaceous glands
Gland responsible to produce ear wax
Ceruminous gland
The skin releases
Urea and ammonia
Heat
Water
The root of the hair is the most superficial portion that extends above the skin
True or false
False
Hair, sweat glands, sebaceous glands and ails make up
Accessory structures of the skin
Is avascular, the most superficial layer of the cutaneous membrane, contains keratinocytes
Epidermis
The matrix is the portion of the hair that allows the growth of new hair
True or false
True
Erythematous colouring of the skin is indicated when the skin becomes pale
True or false
False
25-30 layers of dead, flattened keratinocytes
Stratum corneum of the epidermis
Protein makes skin tough and waterproof
Keratin
Inhibits growth of some bacteria, keeps skin soft, prevents excessive evaporation of water
Function of sebum
Protects skin and deeper tissues from germs, chemicals and heat
Keratinocytes
Type of white blood cell, protects the skin and deeper tissue from infection
Langerhans cell
Found in the stratum basale and allow for sensation of light touch
Markel cell
Most numerous sweat glands, active before and after puberty
Eccrine sudoriferous glands
Become infected in acne
Sebaceous glands
Found only in ear
Ceruminous glands
Play an important role cooling the body
Eccrine sudoriferous glands
Found mostly in the axillae and external genitalia
Aporcine sudoriferous glands
Layers of epidermis in thick skin
Corneum, lucidum, granulosum, spinosum, basale
