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49 Cards in this Set

  • Front
  • Back
ectoderm
outer developmental layer of skin
ABCD
examination of pigmented areas, test for cancerous pigments
elastin
yellow fibers, gives matrix its rubbery quality(stretchability)
covering
main function of IS
striae
stretch marks, due to extreme stretching of the skin which tears the dermis; also called white scars
Albinism
inherited condition reflecting an inability of melanocytes to synthesize melanin
pallor
blanching; paling of the skin
squamous cell carcinoma
cells of stratum spinosum develop lesions; metastasizes to the lymph nodes
allopecia
baldness
root
part of the hair that is embedded in the skin
cyanosis
bluish tint of Caucasians when hemoglobin is poorly oxgynated
jaundice
yellow cast to the skin
stratum spinosum
"spiny" layer, contains prickle cells, tonofilaments, Lnagerhan's cells
Second deepest layer of the epidermal layer
benign
not cancerous
lines of cleavage
tension lines
vitiligo
an abnormality of skin pigmentation characterized by a loss and uneven dispersal of melanin(Michael Jackson's disease)
melanin
provides the skin color of Blacks and Hispanics
mesoderm
middle developmental layer of skin
stratum granulosum
"granular" layer; contains keratohyalin(granules), Langerhan's cells
shaft
part of the hair that projects from the skin; determines the overall shape of hair
dermis
layer of the skin deep to the epidermis; composed of dense irregular connnective tissue
malignant melanoma
rare but deadly cancer of the pigment producing cells
basal cell carcinoma
cells of the lowest level of the epidermis invade the dermis and hypodermis; exposed area develop ulcers; show to metastisize(grow)
first degree burn
partial thickness burn; affects only the epidermis
redness, pain, swelling, 2-3
erythema
redness,
endoderm
inner developmental layer of skin, subcutaneous tissue
wrinkles
appear when dermis elasticity declines from age or excessive sun exposure
dermal papillae
fingerprints, projection of the superioir surface that protrude into or indent the epidermis above
burn
tissue damage to the skin which denatures cell proteins and causes cell death in affected areas
integumentary system
includes those structures whose primary function is to cover and protect
hirsutism
excessive hairiness
collagen
white fibers, provide high tensile strngth(maximum stress that a material can withstand before it breaks)
epidermis
surface coat of the skin; superficial layer of the skin; composed of keratinized stratified squamous epithelial tissue
hematomas
another name for bruises , blue or black marks,
skin
composed of the dermis and the epidermis
melanocytes
specialized epithelial cells which synthesize melanin, (dark pigment which iparts color to the skin and hair)
carotene
provides the skin color of Orientals
malignant
cancerous
stratum basale
"basal layer" deepest epidermal layer; contains Merkel's cells, and melanocytes
prickle cells
keratinocytes which contain minute spinelike projections connecting them to other cells of the layer
stratum lucidum
2nd outermost layer of epidermis, "clear layer", does not always appear
2nd degree burn
partial thickness burn; affects the epidermis and upper regions of the dermis
flexure lines
dermal modifications resulting when the dermis is secured to deeper structures by the hypodermis
stratum germinativum
"growing layer" consists of strautm basale and stratum spinosum which generate epidermal GROWTH AND RENEWAL
3rd degree burn
full thickness burn; affects the epidermis and dermis
keratin
water-insoluble protein found in the epidermis, hair, and nails that make those structures hard and water repellent
stratum corneum
"horny layer", accounts for 3/4 of the thickness of the epidermis; contains 20-30 rows of dead cell remnants filled with keratin fibers which are constantly being replaced through the process of mitosis
Langerhan's cells
macrophage-like cells which arise from the bone marrow and migrate to the epidermis; undergo the process of phagocytosis
keratinized stratified squamous epithelium
tissue that forms epidermis