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Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes  [ P ]

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means "before." Prefixes may also indicate a location, number, or time. 
Root
: central part of a word.     
Suffix
:  The ending part of a word that modifies the meaning of the word. Example: homeless. Root = 'home' and the suffix is 'less'. It can also refer to a condition, disease, disorder, or procedure.    

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Also check out the medical abbreviations section
 

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Term
arrow   Meaning
pachy- arrow   heavy; thick
-pagus arrow   conjoined twins 
palat/o arrow   palate (roof of mouth) 
pale/o arrow   old
pali- arrow   recurrence, repetition
palliat/o arrow   to soothe, relieve
palpebr/o arrow   eyelid
palp/o, palpat/o arrow   to touch gently
palpit/o arrow   flutter, throbbing
pan- arrow   all
pancreat/o arrow   pancreas
pant/o arrow   all, whole 
papill/o arrow   nipple-like; optic disc 
papul/o arrow   papule, pimple 
par- arrow   other than; abnormal 
para- arrow   near; beside; abnormal; apart from; along the side of 
-para arrow   to bear, bring forth (live births) 
-parous arrow   to bear, bring forth 
parasit/o arrow   parasite
parathyroid/o arrow   parathyroid glands 
-paresis arrow   weakness
-pareunia arrow   sexual intercourse 
-partum arrow   birth; labor 
patell/a arrow   patella
patell/o arrow   patela
path/o arrow   disease
-pathy arrow   disease; emotion 
pector/o arrow   chest
pedicul/o arrow   louse 
ped/o arrow   child; foot 
pelv/i arrow   pelvis; hip region 
pelv/o arrow   pelvis; hip region 
pend/o arrow   to hang 
-penia arrow   deficiency
-pepsia arrow   digestion
per- arrow   through
percuss/o arrow   to tap
peri- arrow   surrounding
perine/o arrow   perineum
peritone/o arrow   peritoneum
per/o arrow   deformed, maimed
perone/o arrow   fibula
perspir/o arrow   breathe through 
petr/o arrow   stone, petrous region of temporal bone 
-pexy arrow   fixation; to put in place 
phac/o arrow   lens of eye 
phag/o arrow   eat; swallow 
-phage arrow   eat; swallow 
-phagia arrow   eating; swallowing 
phak/o arrow   lens of eye 
phalang/o arrow   phalanges (of fingers and toes) 
phall/o arrow   penis
phaner/o arrow   visible, apparent
pharmac/o arrow   drug
pharmaceut/o arrow   drug
pharyng/o arrow   throat (pharynx) 
phas/o arrow   speech
-phasia arrow   speech
phe/o

arrow   dusky; dark 

-pheresis arrow   removal
phil/o arrow   like; love; attraction to 
-phil arrow   attraction for 
-philia arrow   attraction for 
phim/o arrow   muzzle
phleb/o arrow   vein
phob/o arrow   fear
-phobia arrow   fear
phon/o arrow   voice; sound 
-phonia arrow   voice; sound 
-phor/o arrow   to bear 
-phoresis arrow   carrying; transmission 
-phoria arrow   to bear, carry; feeling (mental state) 
phosphat/o arrow   phosphate
phot/o arrow   light
phren/o arrow   diaphragm; mind 
-phthisis arrow   wasting away 
-phylaxis arrow   protection
phyl/o arrow   race, species, type 
physi/o arrow   nature; function 
physic/o arrow   physical, natural 
-physis arrow   to grow 
phys/o arrow   air, gas
phyt/o arrow   plant
-phyte arrow   plant
picr/o arrow   bitter
pies/i, -piesis arrow   pressure
pil/o arrow   hair
pimel/o arrow   fat, fatty 
pineal/o arrow   pineal gland 
pin/o arrow   to drink 
pituitar/o arrow   pituitary gland 
-plakia arrow   plaque
plan/o arrow   flat, level, wandering 
plant/o arrow   sole of the foot 
plas/o arrow   development; formation 
-plasia arrow   development; formation 
-plasm arrow   formation; structure 
-plastic arrow   pertaining to formation 
-plasty arrow   surgical repair 
platy- arrow   broad, flat 
ple/o arrow   more; many 
-plegia arrow   paralysis; palsy 
-plegic arrow   paralysis; palsy 
pleur/o arrow   pleura
plex/o arrow   plexus; network (of nerves) 
-pnea arrow   breathing
pneum/o arrow   lung; air; gas 
pneumon/o arrow   lung; air; gas 
pod/o arrow   foot
-poiesis arrow   formation
-poietin arrow   substance that forms 
poikil/o arrow   varied; irregular 
pol/o arrow   extreme
polio- arrow   gray matter (of brain or spinal cord) 
poly- arrow   many; much 
polyp/o arrow   polyp; small growth 
pont/o arrow   pons ( a part of the brain) 
por/o, -pore arrow   opening, passageway 
-porosis arrow   condition of pores (spaces) 
-posia arrow   drinking 
posit/o arrow   arrangement, place 
post- arrow   after; behind 
poster/o arrow   back (of body); behind 
-prandial arrow   meal
-praxia arrow   action
pre- arrow   before; in front of 
presby/o arrow   old age 
primi- arrow   first
pro- arrow   before; forward 
proct/o arrow   anus and rectum 
pros- arrow   before; forward 
pros/o arrow   forward, anterior 
prosop/o arrow   face 
prostat/o arrow   prostate gland 
prot/o arrow   first
prote/o arrow   protein
proxim/o arrow   near
prurit/o arrow   itching
psamm/o arrow   sand, sand-like material
pseudo- arrow   false
psor/o arrow   itching
psych/o arrow   mind
psychr/o arrow   cold 
-pterygium arrow   abnormality of the conjunctiva 
-ptosis arrow   droop; sag; prolapse; protrude 
ptyal/o arrow   saliva
-ptysis arrow   spitting
pub/o arrow   pubis (anterior part of hip bone) 
pulmon/o arrow   lung
puls/o, pulsat/o arrow   to beat, beating 
-puncture arrow   to pierce a surface 
pupill/o arrow   pupil (dark center of eye) 
purpur/i arrow   purple
purul/o arrow   pus
py/o arrow   pus
pycn/o arrow   thick, dense 
pyel/o arrow   renal pelvis 
pyl/e arrow   portal vein 
pylor/o arrow   pylorus; pyloric sphincter 
pyr/o arrow   fever; fire 
pyret/o arrow   fever
pyrex/o arrow   fever
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Medical Calculators - A thru Z
Lab Values - A thru Z