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8 terms

chapter 7 med anatomy

squamous cell carcinoma
type of skin cancer that arises from keratinocytes of the stratum spinosum, grows rapidly, and tends to metastasize if not removed
malignant melanoma
name a type of skin cancer that metastasizes rapidly into surrounding blood vessels where the cancer cells can circulate throughout the body
basal cell carcinoma
Name a type of skin cancer that arises from cells of the stratum basale, grows slowly, and is the least malignant.
stratum basale
the deepest layer of the epidermis consisting of stem cells capable of undergoing cell division to form new cells
stratum granulosum
the second layer of the epidermis that marks the transition between the deeper, metabolically active strata and the dead cells of the more superficial strata
stratum spinosum
the third layer. the spiny sublayer just below the stratum ganulosum contains cells that create an immune response to protect the body against foreign bodies that get through the first three outer sublayers of skin
stratum corneum
the outermost layer of the epidermis consisting of dead cells that slough off
stratum lucidum
layer of the epidermis found only in the thick skin of the fingers, palms, and soles