ch 16 - skin

whats the middle layer of skin

dermis

what is the major skin pigment

melanin

what is squamous cell

Flat scale-like cells comprising the epidermis

what is keratin, and found where

Hard protein material found in the epidermis, hair, and nails

what is sebum

Oily substance secreted by sebaceous glands

what is cuticle

Band of epidermis at the base and sides of the nail plate

term for fat cell

adipocyte

what is stratum corneum, and consists of what

Outermost layer of the epidermis; consists of flattened keratinized cells

what is basal layer, produces what

Deepest region of the epidermis; produces epidermal cells

what is collagen

Structural protein found in the skin and connective tissue

Bx

biopsy

what is papule

Small (less than 1 cm in diameter), solid elevation of the skin,

• aka pimple (no pus)

what is comedo

blackhead

term for itching

pruritus

what is alopecia

Absence of hair from areas where it normally grows

what is psoriasis

Chronic, recurrent dermatosis marked by itchy, scaly red patches covered by silvery gray scales

what is eczema

Inflammatory skin disease with erythematous, papulovesicular lesions (atopic dermatitis is an example)

what is  acne

Chronic papular (pimple) and pustular (pimple w/ pus) eruption of the skin with increased sebum production

what is tinea

Infection of the skin caused by a fungus

what is SLE

systemic lupus erythematosus

• Chronic autoimmune inflammatory disease of collagen in skin, joints, and internal organs

• (butterfly erythematous rash is characteristic)

what is scleroderma

Chronic, progressive disease of skin and internal organs with hardening and shrinking of connective tissue

what is malignant melanoma

Cancerous growth composed of melanocytes

term for bed sores

decubitus ulcers 

what is gangrene

Death of tissue associated with loss of blood supply

what is impetigo

Bacterial inflammatory skin disease marked by vesicles, pustules, and crusted-over lesions

what is albinism

Condition of skin deficient in pigment (melanin)

what is adipose

fat

what is diaphoresis 

(profuse) sweating

term for fungal infection of the nail

onychomycosis

what is keloid

Hypertrophied, thickened scar occurring after trauma or surgical incision

what is pastule

Papule (pimple) containing pus

word for containing pus

purulent

what is macule

Flat lesion, measuring less than 1 cm in diameter: freckle

what is nodule

Solid, round or oval elevated lesion equal to or more than 1 cm in diameter

what is wheal

Smooth edematous (swollen w/ fluid) area that is redder and paler than surrounding skin

what is fissure

Groove or crack-like sore

what is nodule

Solid, round or oval elevated lesion equal to or more than 1 cm in diameter

what is vesicle

Small collection of clear fluid (serum); blister

what is ulcer

Open sore on the skin or mucous membranes (deeper than an erosion)

what is cyst

Thick-walled, closed sac containing fluid or semisolid material

term for bedsore

decubitus ulcer

combining term for yellow

xanth/o, ?

jaund/o, 

cirrh/o?

combining form for black

melan/o

combining form for hair

pil/o and trich/o

combining form for pus

py/o

purul/o

combining form for fat

adip/o

lip/o

combining form for fungus

myc/o

combining form for nail

onych/o

combining form for skin

derm/o,

dermat/o,

cutane/o