Medical Terminology Chapter 6

cut/o

skin

cutis

skin (nom + gen singular)

cutane/o

skin

derm/o

skin

dermis

skin (nom + gen singular)

dermat/o

skin

-derm

skin

epidermis (components)

outermost layer, five strata

five strata of epidermis

stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

stratum basale

basilar layer, produces melanin

stratum spinosum

spiny layer

stratum granulosum

granular layer

stratum lucidum

clear layer

stratum corneum

horn-like layer

dermis (components)

blood capillaries, nerve endings, hair follicles, sweat glands, sebaceous glands

hypodermis (components)

connective tissue and fat; stores fat and connects skin to flesh and bones; subcutaneous layer

cori/o

skin

corium

hide, skin (nom singular)

corii

hide, skin (gen singular)

pell/o

skin

pellis

hide, skin (nom + gen singular)

sarc/o

flesh, muscle

carn/o

flesh

caro

flesh (nom singular)

carnis

flesh (gen singular)

cre/o

flesh, muscle

creat/o

flesh, muscle

histi/o

tissue

hist/o

tissue

strat/o

layer

stratum

layer (nom singular)

strati

layer (gen singular)

thel/o

nipple, nipple-like

-thele

nipple, nipple-like

papill/o

nipple, nipple-like

papilla

nipple (nom singular)

papillae

nipple (gen singular)

kerat/o

horn, hard, horn-like, keratin, cornea

cerat/o

horn, hard, horn-like, keratin, cornea

keratin

protein that gives structural strength to hair and nails

corne/o

horn, hard, horn-like, cornea

corn/o

horn, hard, horn-like, cornea

cornu

horn (nom singular)

cornus

horn (gen singular)

pil/o

hair

pilus

hair (nom singular)

pili

hair (gen singular)

trich/o

hair

-thrix

hair

follicul/o

little bag, follicle

folliculus

follicle (nom singular)

folliculi

follicle (gen singular)

ungu/o

fingernail, toenail, claw, talon, hoof

unguis

fingernail, toenail, claw, talon, hoof (nom + gen singular)

onych/o

fingernail, toenail, claw, talon, hoof

perionychium

tissue around fingernail

eponychium

thickened layer of skin at base of nail

hyponychium

skin under free edge of nail

lunula

crescent-shaped area of nailbed growth (nom singular)

lunulae

crescent-shaped area of nailbed growth (gen singular)

margo liber

free border of nail

margo occultus

covered border of nail

hidr/o

sweat

sud/o

sweat

sudor/o

sweat

sudor

sweat (nom singular)

sudoris

sweat (gen singular)

seb/o

sebum

sebum

tallow, fat, sebum (nom singular)

sebi

tallow, fat, sebum (gen singular)

stear/o

sebum, fat

steat/o

sebum, fat

lip/o

fat

adip/o

fat

adeps

fat (nom singular)

adipis

fat (gen singular)

primary lesions

vesicle, nodule/tumor, plaque, wheal, papule, macule, pustule, bulla

vesic/o

bladder, vescile

vesicul/o

vesicle, small blister

vesicula

vesicle, small blister (nom singular)

vesiculae

vesicle, small blister (gen singular)

vesicle (small description)

small, fluid-filled distinct elevation

vesicle example

blister

nod/o

knot-like, node

nodul/o

nodule

nodule/tumor (description)

solid, palpable, raised mass; distinct borders; extend deep into dermis

nodule/tumor example

wart, large lipoma

plaque (description)

larger, flat, elevated patch with solid surface

plaque example

psoriasis

urtic/o

wheal, hive

urtica

wheal, hive (nom singular)

urticae

wheal, hive (gen singular)

wheal (description)

smooth, slightly raised localized area of edema; irregular and variable in size and color

wheal example

hives, insect bites

papul/o

papule

papula

papule (nom singular)

papulae

papule (gen singular)

papule (description)

small, circular, solid elevations with sharp borders

papule example

mole

macul/o

macule, spot