macr/o
large
mal-
bad
malac/o
soft; softening
-malacia
softening
mamm/o
breast
-mania
excessive preoccupation
mast/o
breast
medi/o
middle
-megaly
enlargement
melan/o
black
men/o
month
mening/o
meninges
ment/o
mind
meta-
change; next in a series
metr/o
measure; uterine tissue
-meter
instrument used to measure
-metry
process of measuring
micro-
small
morph/o
form; shape
muc/o
mucus
multi-
many
muscul/o or my/o
muscle
myc/o
fungus
myel/o
bone marrow; spinal cord
narc/o
sleep
nas/o
nose
nat/i
birth
necr/o
death
neo-
new
nephr/o
kidney
neur/o
nerve
norm/o
normal
nucle/o
nucleus
nulli-
none
o/o
egg
ocul/o
eye
odont/o
teeth
-oid
resembling
-ole
small
oligo-
few
-oma
tumor
omphal/o
umbilicus (navel)
onc/o
tumor
onych/o
nail
oophor/o
ovary
ophthalm/o
eye
-opia or opt/o or optic/o
vision
or/o
mouth
orhi/o or orchid/o
testis
orth/o
straight
-ose
sugar
-osis
condition; disease; increase
oste/0
bone
ot/o
ear
ox/o
oxygen
pancreat/o
pancreas
par- or para-
near; beside; abnormal
-para
woman who has given birth
par/o
to give birth
patell/o
patella (kneecap)
path/o or -pathy
disease
ped/o
child; foot
pelv/i
pelvis
-penia
deficient; decreased
-pepsia
digestion
peri-
around
pex/o or -pexy
surgical fixation
phag/o
eat; ingest
phalang/o
phalanges (finger and toe bones)
pharmac/o
drugs; medicine
pharyng/o
throat; pharynx
phas/o
speech
phleb/o
vein
-phobia
abnormal fear
phon/o
voice
phot/o
light
phren/o
diaphragm; mind
-phylaxis
protection
physi/o
nature
-physis
growth
pituitari/o
pituitary
plas/o or -plasis
formation; development
plast/o
repair
-plasty
surgical repair
pleg/o or -plegia
paralysis
pleur/o
pleura
-pnea
breathing
pneum/o
air; lung
pneumon/o
lung
pod/o
foot
-poiesis
production
poly-
many
post-
after; behind
poster/o
behind
pre-
before
primi-
first
pro-
before; for
proct/o
anus; rectum
prostat/o
prostate gland
proxim/o
near
pseud/o
false
psych/o
mind
-ptosis
sag; prolapse
-ptysis
spitting
pub/o
pubis
pulm/o or pulmon/o
lungs
py/o
pus
pyel/o
renal pelvis