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Everest Mod E

Everest - Integumentary Characteristics and Pathologies

Question	Answer
Fat Cell	Lipocyte
Structural protein found in skin and connective tissue	Collagen
Black pigment found in the epidermis	Melanin
Deepest region of the epidermis	Basal Layer
Outermost layer of the epidermis, consists of flat, keratinized cells	Stratum Corneum
Oily substance secreted by the sebaceous gland	Sebum
Middle layer of the skin	Dermis
Hard, horny protein found in hair, nails and epidermis	Keratin
Band of epidermis at base and sides of nails	cuticle
Circumscribed collection of clear fluid of blister	vesicle
smooth, slightly elevated edematous area	wheal
discolored, flat lesion or freckle	macule
groove/crack like sore	fissure
mushroom-like growth extending from the surface of a mucous membrane	polyp
circumscribed collection of pus/small abscess	pustule
closed sac containing fluid or semi solid material	cyst
open sore or erosion of the skin	ulcer
solid elevation of the skin/pimple	papule
larger than 1-cm solid elevation of the skin	nodule
Corney Lucy's Grandma Spits Germs or Baseballs	stratum Corneum stratum Lucidum stratum Granulosum stratum Spinosum stratum Germinativum or Basale
20-30 layers of flat dead cells, contains keratin, "waterproofing"	Stratum Corneum
Found ONLY on palms and soles of feet	Stratum Lucidium
granular cells, contains melanocytes	Stratum Granulosum
Protection from UV radiation, contains melanin	Stratum Spinosum
Innermost layer, contains melanocytes, always producing new cells	Stratum Germinativum/Basale
"Jobs" of Integumentary system	Protection, Vitamin D synthisis, body temp regulation, excretion, sensation
first sense developed in the embryo	touch
Characteristics of integumentary system	Largest organ (22ft), heaviest organ, most extensive blood supply
Outer most layer, no blood vessels or nerves, 4-5 layers	Epidermis
Inner layer, contains collagen, elastin, and ground substance, hair, nails, glands	Dermis
Responsible for light touch	Messiner's corpuscules
responsible for heavy touch	Pacinian corpuscules
consists of loose connective tissue and fat	Subcutaneous layer
Hair characteristics	protection, warmth, assists with touch, dead keratinized cells, filters pathogens
hair root and connective tissue hold hair in place	hair follicle
nerves stimulated when hair moves, and _____ _____ muscles are responsible for hair movement	Hair root plexus and erector pili
Nail characteristics	keratinized cells, protects ends of digits
Half-moon shaped white area at base of nail, where nail grows	Lunula
Clear visible portion	Nail body
Secrets oil/sebum	sebaceous glands
clogged sebaceous gland	white head
clogged sebum exposed to air	black head/comedome
sweat gland, located in	sudoriferous glands, palms, feet, forehead
2 types of sweat glands	Eccrine & Apocrine
Modified apocrine gland	Mammory Glands
Cerminous Gland	subset of apocrine, secretes cerumen or earwax
Skin color is caused by...	pigmentation and blood flow
found in epidermis, can range from yellow to black	Melanin
Melanin producing cells, varying in color because of genetics and UV exposure, and protects from UV rays by getting darker (causing freckles)	Melanocytes
carotene	varies due to diet, yellow pigment in skin, can cause skin to turn orange if there is too much
chronic inflammation of sebacous glands & their hair follicles	Acne
local staphylococcus infection	boil
Group of boils	Carbuncle
MRSA	Methicillin Resistant Staphylococcus Aureus
Rapidly spreading acute bacterial infection	Cellulitis
small red spots that develop into vesicles, become filled with pus, burst, and develop a thick yellow crust	Impetigo
Neoplasm	new growth
benign tumor consisting of blood or lymph vessels	angioma
fatty tumor	lipoma
Nevus/Nevi	Mole
A B C D E	Asymmetry Border Color Diameter Elevation
slow growing benign tumor caused by a blockage of a sebaceous gland contains keratin, sebum, and hair follicle cells	sebaceous cyst
chronic condition causing inflammation, scaling, and crusting	Seborrheic Dermatitis
Most common skin cancer	Basal cell carcinoma
1/3 of all skin cancers	squamous cell carcinoma
least common but most deadly skin cancer	malignant melanoma
Hair loss caused by aging, genetic predisposition, stress, chemicals	alopecia
1st degree burn	redness, mild stinging, mild swelling
2nd degree burn	redness , moderate to intense pain, swelling, blistering, can take up to six months to heal
3rd degree burn	past the point of blisters, skin can be charred black or white, dermis and epidermis destroyed or damaged pain sensation interrupted
acute or chronic skin inflammation characterized by redness, eruptions, edema, scaling, itching can be caused by internal or external forces	Dermatitis
often interchanged with dermatitis but ONLY caused by internal forces	eczema
due to allergy or hypersensitivity most common cause food, pollens, or cosmetics	Atopic dermatitis
Dandruff or cradle cap	Seborrhec dermatitis
chronic condition causing red skin scaly skin and can be found on elbows, knees, scalp, back and buttocks	psoriasis
Hardening of connective tissue	scleroderma
hives	urticaria
vitiligo	loss of pigment
extremely contagious pariasitic skin infection marked be little red bumps, greatest contagious risk to MT's	scabies
Head lice	found on scalp and eyebrows, most common form of lice
chickenpox	varicella
verruca	wart caused by HPV

Created by: hdarguzis on 2010-02-04

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Everest Mod E

Everest - Integumentary Characteristics and Pathologies