Fichas
integumentary system
Fichas del conjunto (56)
- 1dermatologystudy of the skin
- 2organization of the skinepidermis
dermis
hypodermis - 3# epidermis layers4-5
- 4type of tissue in epidermisKeratinized, stratified squamous epithelium
- 5cell types in epidermiskeratinocytes
malanocytes - 6keratinocytescontain keratin
- 7keratintough protein that protects and waterproofs skin
- 8malanocytesproduce malanin
- 9melaninpigment
- 105 layers epidermis (stratum)corneum
lucidum
granulosum
spinosum
basale - 11stratum corneumtop layer of epidermis
25-30 layers of dead keratinocytes - 12stratum lucidumONLY in thick skin areas
3-5 layers of flattened clear, dead keratinocytes - 13stratum granulosummiddle layer
water repellant sealant
keratinocytes start to die here - 14stratum spinosumstrength and flexibility
- 15stratum basalebottom layer epidermis
cells undergo mitosis - 16disorders of epidermiscallus
psoriasis
moles
dandruff
warts - 17callusabnormal thickening of epidermis
- 18psoriasiskeratinocytes divide and move too quickly to stratum corneum
- 19dermisconnective tissue
- 20regions of dermispapillary
reticular - 21papillary(1/3)superficial
dermal papillae ridges(grip)
meissners corpuscles - tactile
free nerve endings - temp, pain, itch - 22reticular region(2/3)deep layer
subcutaneous
hair follicles, nerves, oil, swet glands
stretch marks(striae) - 23structures in reticular regionhair follicles
nerves
oil glands
sweat glands - 24composition subcutaneous layer(hypodermis)aeriolar connective tissue and adipose tissue
has blood vessels
pacinian coruscles(sense pressure) - 25skin colormelanin - produced by melanocytes
- 26nevusmole - benign overgrowth of melanocytes
- 27skin color diagnosticserythema - redness (injury)
cyanosis - bluish (oxygen)
jaundice - yellow (liver)
pallor - pale (anemia, shock) - 28structures found in the skinhair
glands
nails - 29hair typeslanugo
vellus
terminal - 30function of hairprotection
- 31structure of hairhairbulb
root
follicle - skin sheath
shaft - hair
arrector pili - muscle - 32hair color comes frommelanin
- 33excessive body hairhirsutism
- 34glands of the skinsebacious
sudoriferous
ceruminous - 35function sebacious glandsoil, hair follicle, dont dry out
- 36function sudoriferous glandssweat
cool, waste, water - 372 types sudoriferousmerocrine - body temp
apocrine - armpit, groin, BO - 38ceruminous glandswax
- 39structure of nailsnail body
nail root
eponychium - 40eponychiumcuticle
- 41functions of skinregulate temp
store blood
protection
sensation
excretion water & waste
synthesis vitamin D - 423 forms skin cancerbasal cell carcinoma (78%)
squamous cell carinoma ( 20%)
malignant melanomas (2%) - 43basal cell carcinomabasale layer
- 44squamous cell carcinomaupper epidermis
- 45malignant melanomasoccurs in melanocytes
- 46skin cancer riskslight skin
sun
family
age
immunosuppressed
tanning beds - 47warning signs of melanomaAsymmetry
Border
Color
Diamater
Evolving - 48cause of burnsheat
electricity
chemicals - 49types of burns1st
2nd - epidermis & dermis, blister
3rd - all layers - 50death from burnsshock, infection
- 51decubitus ulcersbed sores
pressure
blood deficiency - 52athletes footfungal
- 53lacerationcut - considered skin dissorderf
- 54hivesallergic
- 55eczemadermatitis rash
- 56—