Chapter 6 Flashcards
Functions of skin
Water proof, UV radiation, bacteria, vitamin D synthesis, sensation, thermoregulation
Integumentary system
Skins, hair, nails, sweat glands
Stratum corneum
Layers of dead cells, surface layer of skin
Stratum basale
Single layer of stem cells and keratinocyte resting on basal laminia
Dermal papillae
Upward finger like extensions of dermis
Hemoglobin
Red pigment of red blood cells, hue to skin
Carotene
Yellow pigment acquired from egg yolks, yellow/orange veggies
Insensible perspiration
500 ml a day, does not produce visible wetness
Diaphoresis
Sweating with wetness of skin
Ceruminous glands
External ear canal, earwax
Basal cell carcinoma
Most common, least dangerous
Squamous cell carcinoma
Chance of recovery with early detection and surgical removal
Malignant melanoma
Arises from melanocytes, most deadly, metastasizes rapidly