Card Set Information
Ch. 5 Integumentary System, including combining forms and terms pertaining to the skin.
System composed of the skin and it's appendages including hair, nails, sweat glands and sebaceous glands (oil).
cells covering external and internal surfaces of the body
thin cellular outter layer of skin comprised of the squamous cell layer and the basal layer
squamous cell layer
flat, scale-like epithelial cells comprising the outermost layers of the epidermis
deepest region of the epidermis
a cell found in the basal layer that gives color to the skin
dark brown to black pigment contained in melanocytes
dense, fiberous connective tissue layer of the skin aka the corium
oil glands in the skin
oily substance secreted by the sebaceous gland.
connective and adipose tissue layer just under the dermis
protein substance found in the skin and connective tissue.
What is hair composed of ?
it is an outgrowth of skin composed of keratin
What is nail composed of?
Composed of keratin
hard protein material found in the epidermis, hair and nails
an area of pathologically altered tissue aka a skin problem or abnormality of any origin
lesions arising from previously normal skin
skin abnormalities arising from primary lesions
a flat, discolored spot on the skin up to 1cm across (eg. a freckle)
a flat, discolored area on the skin larger than 1cm (eg. vitiligo)
a solid mass on top of the skin up to 1cm in diameter (eg a nevus/mole)
a solid mass greater than 1cm in diameter, limited to the surface of the skin
a solid mass greater than 1cm in diameter which extends deeper into the epidermis
a solid mass larger than 2cm
an area of localized skin edema (eg a hive)
little bladder; an elevated, fluid flled sac (blister) within or under the epidermis up to 0.5cm (eg a fever blister)
a blister larger than 0.5cm (eg a second degree burn)
a pus-filled sac (eg a pimple)
to graw away; loss of superficial epidermis leaving behind moisture but no bleeding
an open sore on the skin or mucous membrane that can bleed and scar and is sometimes accompanied by infection
a scratch (eg from a cat scratch)
a linear crack in the skin
a thin flake of exfoliated epidermis
dried residue of serum (bodily fluid), pus or blood on the skin
cicatrix of the skin
a mark left by the healing of a sore or wound showing the replacement of destroyed tissue by fiberous tissue (eg a scar)
an abnormal overgrowth of scar tissue that is thick and irregular
lesions of a blood vessel
a small, round, bright red blood vessel tumor on the skin, often the trunk of the elderly
a tiny red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole, most commonly seen on the face, neck or chest.
most commonly seen on the face, neck or chest
purpura; lesions as a result of hemorrhages into the skin
spot; a reddish-brown, minute hemorrhagic spot on the skin that indicates a bleeding tendency - small purpura
bruise; a black or blue mark - a large purpura
skin tumors arising from the epidermis
mole; a congenital malformation on the skin that can be epidermal or vascular
a mole with precancerous changes
wart; an epidermal tumor caused by a papilloma virus
baldness; natural or unnatural deficiency of hair
a plug of sebum (oil) within the opening of a hair follicle
appearance of a skin lesion
redness of the skin
a general term for skin eruption, most often associated with communicable disease
loss of melanin pigment in the skin
areas of skin lacking color due to deficient amounts of melanin
darkened areas of the skin caused by excessive amounts of melanin
production of purulent matter (pus)
hives; an eruption of wheals w/ itching
an inflammation of the sebaceous glands and hair follicles of the skin evidenced by comedones, pustules or nodules on the skin.
a hereditary condition characterized by a partial or total lack of melanin pigment
first degree burn
a burn involving only the epidermis (includes erythema and hyperesthesia) eg sunburn
second degree burn
a burn involving the epidermis and the dermis (includes erythema, hyperesthesia and vesications (blisters))
third degree burn
a burn involving all 3 layers, epidermis, dermis and subcutaneous, of skin with damage present in all 3.
an acute inflammation of subcutaneous tissue resulting from a bacterial invasion through a break in the skin
eczema; a inflammation of the skin charaterized by erythema, pruritus (itching) and various lesions.
caused by hypersensitivity to environmental factors
caused my contact with allergens
also known as cradle cap
any disorder of the skin
exanthematous viral disease
eruption of the skin caused by a viral diease
a boil; a painful nodule formed in the skin by inflammation originating in a hair follicle - caused by staphylococcosis
a skin infection consisting of clusters of furuncles
a localized collection of pus in a cavity formed by the inflammation of surrounding tissues that heals when drained or excised
an eating sore; death of tissue associated with a loss of blood supply resulting from traume or imflammatory or infectious process
herpes simplex 1 - cold sores; transient viral vesicles that infect the facial area
herpes simplex 2 - STD; ulcer like lesions of the genital and anorectal skin and mucosa. After dinitial infection the virus lies dormant in the nerve cell root and may recur at times of stress
a skin condition caused by a gene defect that results in dry, thick, scaly skin
highly contagious, bacterial skin inflammation marked by pustules that rupture and become crusted - most often occurs around the mouth and nostils.
thickened areas of the epidermis
a chronic autoimmune disease characterized by inflammation of various parts of the body
a malignant tumor of the walls of blood vessels appearing as painless, dark bluish-purple plaques on the skin; often spreading to lymph nodes and internal organs
inflammation of the fingernail or toenail
inflammation of the nail fold
infestation with lice that causes itching and dermatitis
skin infection cause by mites marked by itching and redness mostly seen between fingers, toes, elbows etc.
a skin cndition marked by the hypersecretion of sebum from the sebaceous glands.
fungi - ringworm and athletes feet