Module 16: Skin Flashcards
stratum corneum
the keratinized layer of skin functions as a protective barrier against outside elements
the function of the dermis
house and support a system of nerves, vessels, and glands
which layer of the skin most protects the deeper tissues of the body and acts as a heat insulator?
subcutaneous
the structural protein material found in the dermal layer of the skin
collagen
what type of cell contained in the epidermis produces a pigment that protects the skin against ultraviolet sun rays?
melanocyte
trich/o
hair
what is the oily substance secreted by the sebaceous glands?
sebum
what is the half-moon-shaped white area at the bade of the nail called?
lunula
what is the band of epidermis at the base and side of the nail plate that covers the nail root called?
cuticle
what is the deepest region of the epidermis?
basal layer
what is the soft tissue surrounding the nail border called?
paronychium
the type of sweat gland is large and embedded in the dermal layer of the skin under the arms and near the genitals
apocrine
which layer of skin contains blood and lymph vessels, nerve fibres, hair follicles, and sebaceous and sweat glands?
dermis
eccrine glands
tiny, coiled structure located throughout the dermis
the hard protein material found in the epidermis, hair, and nails is
keratin
the combination of hair follicle and the attached sebaceous gland is called
pilosebaceous unit
albinism
an inherited deficiency or absence of pigment in the skin, hair, and eyes caused by an abnormality in the melanin production
onycholysis
separation of the nail plate from the nail bed in fungal infections
gangrene
death and subsequent decomposition of tissue associated with disruption of blood supply
eczema
inflammatory skin disease with erythematous papulvesicular lesions
urticaria
acute allergic skin reaction in which red, round wheals develop
keloid
hypertrophied, thickened scar that develops after trauma to the skin, such as a surgical incision