Pt 2 ~ Integumentary System Flashcards
carbuncle
a cluster of connected furuncles (boils)
cellulitis
an acute, rapidly spreading bacterial infection within the connective tissues that is characterized by malaise, swelling, warmth and red streaks
furuncles
aka boils
-large, tender swollen areas caused by a staphylococcal infection around the hair follicles or sebaceous glands
gangrene
aka tissue necrosis
-most commonly caused by a loss of circulation to the affected tissues
-the tissue death is followed by bacterial infection that causes putrefaction, and if this infection enters the bloodstream, it can be fatal
impetigo
a highly contagious bacterial skin infection that commonly occurs in children
-this condition is characterized by isolated pustules that become crusted and rupture
necrotizing fasciitis
a severe infection caused by group A strep bacteria, aka flesh-eating bacteria
-necrotizing means causing tissue death, and fasciitis is inflammation of fascia
-the bacteria normally live harmlessly on the skin; however if they enter the body through a skin wound, this serious infection can result
-if untreated the infected body tissue is destroyed and the illness can be fatal
pyoderma
any acute, inflammatory, pus-forming bacterial skin infection such as impetigo
mycosis
describes any abnormal condition caused by a fungus
tinea
a fungal infection that can grow on the skin, hair or nails
-this condition is also known as ringworm
infestation
the dwelling of microscopic parasites on external surface tissue
-some parasites live temporarily on the skin, others lay eggs and reproduce there
callus
a thickening of part of the skin on the hands or feet caused by repeated rubbing
- a clavus or corn, is a callus in the keratin layer of the skin covering the joints of the toes, usually caused by ill-fitting shoes
cicatrix
normal scar resulting from the healing of a wound
granulation tissue
the tissue that normally forms during the healing of a wound
-this tissue eventually forms the scar
granuloma
general term used to describe a small, knot-like swelling of granulation tissue in the epidermis
-can result from inflammation, injury or infection
keloid
an abnormally raised or thickened scar that expands beyond the boundaries of the original incision
-a tendency to form keloids is often inherited and is more common among people with dark pigmented skin