M
macro- large
mal- bad
-malacia softening
malleol/o malleolus
mamm/o breast
mandibul/o mandible
(lower jaw bone)
-mania obsessive
preoccupation
-masesis mastication,
chewing
mast/o breast
mastoid/o mastoid
process (behind the ear)
maxill/o maxilla
(upper jaw bone)
meat/o meatus
(opening)
medi/o middle
medic/o to
heal, healing
mediastin/o mediastinum
medi/o middle
medull/o medulla
(inner section); middle; soft, marrow
mega- large
-megaly enlargement
melan/o black
mel/o limb,
limbs
men/o menses;
menstruation
mening/o meninges
(membranes covering the spinal cord & brain)
meningi/o meninges
ment/o mind;
chin
mer/o part
meso- middle
meta- change;
beyond
metacarp/o metacarpals
(hand bones)
metatars/o metatarsals
(foot bones)
-meter measure
method/o procedure,
technique
metr/o uterus
(womb); measure
metri/o uterus
(womb)
-metry process
of measuring
mi/o smaller;
less
micro- small
-mimesis imitation,
simulation
-mimetic mimic;
copy
-mission to
send
-mnesia memory
mogi- difficult
mon/o one;
single
morph/o shape;
form
mort/o death
-mortem death
-motor movement
muc/o mucus
mucos/o mucous
membrane (mucosa)
multi- many
muscul/o muscle
mut/a genetic
change
mutagen/o causing
genetic change
my/o muscle
myc/o fungus
mydr/o wide
myel/o spinal
cord; bone marrow
myocardi/o myocardium
(heart muscle)
myom/o muscle
tumor
myos/o muscle
myring/o tympanic
membrane (eardrum)
myx/o mucus
N
narc/o numbness;
stupor; sleep
nas/o nose
nat/i birth
natr/o sodium
necr/o death
nect/o to
bind, tie, connect
neo- new
nephr/o kidney
neur/o nerve
neutr/o neither;
neutral; neutrophil
nid/o nest
nine noni-
noci- to
cause harm, injury or pain
noct/o night
nod/o knot
-noia mind,
will
nom/o custom,
law
nomen- name
norm/o rule;
order
nos/o disease
nucle/o nucleus
nulli- none
nutri/o, nutrit/o to
nourish
nyct/o night
O
obstetr/o pregnancy;
birth
ocul/o eye
odont/o tooth
odyn/o pain
-oid resembling;
derived from
-ole little;
small
ole/o oil
olecran/o olecranon
(elbow)
olig/o scanty
om/o shoulder
-oma tumor;
mass; fluid collection
omphal/o umbilicus
(navel)
onc/o tumor
-one hormone
one mono,
uni
one and a half bi,
di
onych/o nail
(of fingers or toes)
o/o egg
oophor/o ovary
-opaque obscure
ophry/o eyebrow
ophthalm/o eye
-opia vision
condition
opisth/o backward,
behind
-opsia vision
condition
-opsy view
of
opt/o eye;
vision
optic/o eye;
vision
-or one
who
or/o mouth
orch/o testis
orchi/o testis
orchid/o testis
-orexia appetite
organ/o organ
orth/o straight
osche/o scrotum
-ose full
of; pertaining to; sugar
-osis condition,
usually abnormal
-osmia smell
osphresi/o sense
of smell
ossicul/o ossicle
(small bone)
oste/o bone
-ostosis condition
of bone
ot/o ear
-otia ear
condition
-ous pertaining
to
ov/o egg
ovari/o ovary
ovul/o egg
ox/o oxygen
-oxia oxygen
oxy- swift;
sharpp; acid
oxysm/o sudden
P
pachy- heavy;
thick
-pagus conjoined
twins
palat/o palate
(roof of mouth)
pale/o old
pali- recurrence,
repetition
palliat/o to
soothe, relieve
palpebr/o eyelid
palp/o, palpat/o to
touch gently
palpit/o flutter,
throbbing
pan- all
pancreat/o pancreas
pant/o all,
whole
papill/o nipple-like;
optic disc
papul/o papule,
pimple
par- other
than; abnormal
para- near;
beside; abnormal; apart from; along the side of
-para to
bear, bring forth (live births)
-parous to
bear, bring forth
parasit/o parasite
parathyroid/o parathyroid
glands
-paresis weakness
-pareunia sexual
intercourse
-partum birth;
labor
patell/a patella
patell/o patela
path/o disease
-pathy disease;
emotion
pector/o chest
pedicul/o louse
ped/o child;
foot
pelv/i pelvis;
hip region
pelv/o pelvis;
hip region
pend/o to
hang
-penia deficiency
-pepsia digestion
per- through
percuss/o to
tap
peri- surrounding
perine/o perineum
peritone/o peritoneum
per/o deformed,
maimed
perone/o fibula
perspir/o breathe
through
petr/o stone,
petrous region of temporal bone
-pexy fixation;
to put in place
phac/o lens
of eye
phag/o eat;
swallow
-phage eat;
swallow
-phagia eating;
swallowing
phak/o lens
of eye
phalang/o phalanges
(of fingers and toes)
phall/o penis
phaner/o visible,
apparent
pharmac/o drug
pharmaceut/o drug
pharyng/o throat
(pharynx)
phas/o speech
-phasia speech
phe/o dusky; dark
-pheresis removal
phil/o like;
love; attraction to
-phil attraction
for
-philia attraction
for
phim/o muzzle
phleb/o vein
phob/o fear
-phobia fear
phon/o voice;
sound
-phonia voice;
sound
-phor/o to
bear
-phoresis carrying;
transmission
-phoria to
bear, carry; feeling (mental state)
phosphat/o phosphate
phot/o light
phren/o diaphragm;
mind
-phthisis wasting
away
-phylaxis protection
phyl/o race,
species, type
physi/o nature;
function
physic/o physical,
natural
-physis to
grow
phys/o air,
gas
phyt/o plant
-phyte plant
picr/o bitter
pies/i, -piesis pressure
pil/o hair
pimel/o fat,
fatty
pineal/o pineal
gland
pin/o to
drink
pituitar/o pituitary
gland
-plakia plaque
plan/o flat,
level, wandering
plant/o sole
of the foot
plas/o development;
formation
-plasia development;
formation
-plasm formation;
structure
-plastic pertaining
to formation
-plasty surgical
repair
platy- broad,
flat
ple/o more;
many
-plegia paralysis;
palsy
-plegic paralysis;
palsy
pleur/o pleura
plex/o plexus;
network (of nerves)
-pnea breathing
pneum/o lung;
air; gas
pneumon/o lung;
air; gas
pod/o foot
-poiesis formation
-poietin substance
that forms
poikil/o varied;
irregular
pol/o extreme
polio- gray
matter (of brain or spinal cord)
poly- many;
much
polyp/o polyp;
small growth
pont/o pons
( a part of the brain)
por/o, -pore opening,
passageway
-porosis condition
of pores (spaces)
-posia drinking
posit/o arrangement,
place
post- after;
behind
poster/o back
(of body); behind
-prandial meal
-praxia action
pre- before;
in front of
presby/o old
age
primi- first
pro- before;
forward
proct/o anus
and rectum
pros- before;
forward
pros/o forward,
anterior
prosop/o face
prostat/o prostate
gland
prot/o first
prote/o protein
proxim/o near
prurit/o itching
psamm/o sand,
sand-like material
pseudo- false
psor/o itching
psych/o mind
psychr/o cold
-pterygium abnormality
of the conjunctiva
-ptosis droop;
sag; prolapse; protrude
ptyal/o saliva
-ptysis spitting
pub/o pubis
(anterior part of hip bone)
pulmon/o lung
puls/o, pulsat/o to
beat, beating
-puncture to
pierce a surface
pupill/o pupil
(dark center of eye)
purpur/i purple
purul/o pus
py/o pus
pycn/o thick,
dense
pyel/o renal
pelvis
pyl/e portal
vein
pylor/o pylorus;
pyloric sphincter
pyr/o fever;
fire
pyret/o fever
pyrex/o fever
Q
quadri- four,
square
qual- quality,
characteristic
quant- how
much
quasi- to
some degree, as if
quart- fourth,
four
quer- to
seek, search
quercin oak
quint- fifth,
five
quota- how
many
R
rachi/o spinal column; vertebrae
radi/o x-rays; radioactivity; radius (lateral lower arm
bone)
radicul/o nerve root
re- back; again; backward
-receptor, -ceptor receiver
rect/o rectum
ren/o kidney
respir/o breath
resuscit/o to revive
reticul/o network
retin/o retina
retro- behind; back; backward
rhabd/o rod
rhabdomy/o striated (skeletal) muscle
rhe/o flow, current, stream
rheumat/o watery flow
rhin/o nose
rhiz/o root
rhod/o red, rosy
rhytid/o wrinkle
roentgen/o x-rays
rose/o rosy
rot/o, rotat/o turn, revolve
-rrhage bursting forth (of blood)
-rrhagia bursting forth (of blood)
-rrhaphy suture
-rrhea flow; discharge
-rrhexis rupture
rhythm/o rhythm
rubr/o, rubr/i red
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