Medical Terms 1

di

two, twice double (Carbon Dioxide)

dys

difficult, painful, defective, abnormal. (dysfunction, dyslexia)

ec(ex), ecto, and exo

out of, away from, outside of

en & endo (ento)

in, into, within

a

not, without, lacking, deficient

anti

against, opposed to, preventing, relieving

epi

upon, over, above

hemi

half, partial, on one side

hyper

over, above, excessive

hypo

under, deficient

mono

one, single

peri

around, surrounding

syn

together, with, joined

a, ia/y, sia, sis

state/condition (noun)

ma, osis, iris (inflammation), iasis

abnormal/diseased condition (noun)

osis

indicates an abnormal condition (psychosis)

ad, ic, itic

pertaining to/ located in (adjective)

tic

formed from noun ending in -sis (paralysis → paralytic)

otic

formed from noun ending in osis (neurosis → neurotic)

iac

forms nouns, person afflicted with

in, ine

forms nouns, names of substances

ist

forms nouns, a person interested in

ium

forms nouns, membrane, connective tissue

alg

pain

alges

sensitivity to pain

all

other, divergence, difference from

angi

vessel, duct

arteri

artery

arthr

joint

cephal

head

encephal

brain

crani

skull

erythr

red, red blood cells

leuk

white, white blood cells

Brady

slow

lept

thin, fine, slight

malac

soft

mes

middle, secondary, partial

prot

first, primitive, early

scler

hard

sten

narrow

stere

solid, having three dimensions

tachy

rapid

logy

study, science of

logistics

one who specializes in a certain study of science

malacia

the softening (the tissues) of

sclerosis

the hardening (of tissues) of

stenosis

the narrowing of a part of the body

toxic

poisonous (to an organ)

toxin

a substance poisonous to a part of the body

pod

foot

iatr

physician

ist

suffix, forms nouns: a person interested in