Question | Answer |
adip/o | fat |
lip/o | fat |
steat/o | fat |
derm/o | skin |
dermat/o | skin |
cutane/o | skin |
erythr/o | red |
hidr/o | sweat |
hist/o | tissue |
histi/o | tissue |
kerat/o | hard |
leuk/o | white |
melan/o | black |
myc/o | fungus |
onych/o | nail |
plas/o | formation |
purpur/o | purple |
scler/o | hard |
seb/o | sebum (oil) |
squam/o | scale |
trich/o | hair |
xanth/o | yellow |
xer/o | dry |
epithelium | cells covering external and internal surfaces of the body |
epidermis | thin outer layer of the skin |
squamous cell layer | flat, scale-like epithelial cells compromising the outermost epidermis |
basal layer | deepest layer of epidermis |
melanocyte | cell in the basal layer that gives color to the skin |
melanin | dark brown to black pigment contained in melanocytes |
dermis | dense, fibrous connective tissue layer of the skin (corium) |
sebaceous glands | oil glands in the skin |
sebum | oily substance secreted by the sebaceous glands |
sudoriferous glands | sweat glands |
subcutaneous layer | connective and adipose tissue layer just under the dermis |
collagen | protein substance in skin and connective tissue |
hair | outgrowth of the skin composed of keratin |
nail | outgrowth of the skin, composed of keratin, at end of each finger and toe |
keratin | hard protein material found in the epidermis, hair and nails |
lesion | area of pathologically altered tissue |
primary lesions | lesions arising from a previously normal skin |
macule macula | a flat, discolored spot on skin up to 1 cm (freckle) |
patch | a flat, discolored area on skin larger than 1 cm (vitiligo) |
papule | a solid mass on the skin up to 0.5 cm in diameter (mole) |
plaque | a solid mass greater than 1 cm that extends deeper into the epidermis |
tumor | a solid mass larger than 1-2 cm |