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The Integumentary System (Functions (protection (chemical barriers (acid…
The Integumentary System
Epidermis
Cells of the epidermis
keratinocytes
keratin
melanocytes
melanosomes
dendritic cells
langer hans cells
tactile cells
Layers of the Epidermis
stratum basale
stratum germinativum
stratum spinosum
stratum granulosum
keratohyaline granules
lamellar granules
stratum lucidum
stratum corneum
Dermis
papillary layer
dermal papillae
friction ridges
reticular layer
clevage lines
flexure lines
Skin Color
three pigments
melanin
carotene
hemoglobin
Appendages of the skin
hairs and hair follicles
structure of a hair
hair/pili
chief regions of a hair
shaft
root
3 concentric layers
medulla
cortex
cuticle
structure of a hair follicle
hair follicles
hair bulb
hair follicle receptor
peripheral connective tissue sheath
inner epithelial root sheath
arrector pili
types and growth of hair
vellus hair
terminal hair
hair thinning and baldness
alopecia
male pattern baldness
Nails
nail matrix
nail folds
cuticle/eponychium
hyponychium
Sweat glands
sudoriferous glands
ecorine sweat glands
appocrine sweat glands
ceruminous glands
mammary glands
Sebaceous glands
sebum
Functions
protection
chemical barriers
acid mantle
physical barriers
biological barriers
body temperature regulation
cutaneous sensation
cutaneous sensory receptors
metabolic functions
blood reservoir
excretion
Homeostatic Imbalances of the Skin
skin cancer
basal cell carcinoma
squamous cell carcinoma
melanoma
burns
evaluating burns
rules of nine
first-degree burns
second-degree burns
third-degree burns
treating burns
developmental aspects
from infancy to adulthood
aging skin