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Medical Word Parts - Letter: p

Term	Definition
pachy-	thick
palat/o	palate
pale/o	early, primitive, old
palpebr/o	eyelid
pan-	all
pancreat/o	pancreas
pant/o	whole, all
papill/o	nipple, optic disc
papul/o	papule, pimple
-para	to bear offspring
para-	similar, beside
-paresis	weakness, slight paralysis
-partum	childbirth
path/o	disease
-pathy	disease
pector/o	chest
ped/o	child, foot
pelv/i	pelvis
-penia	deficiency
penta-	five
-pepsia	digestion
peri-	around, surrounding
pericardi/o	pericardium
perine/o	perineum (surface region in both males and females between the pubic symphysis and the coccyx)
peritone/o	peritoneum (serous membrane lining the abdominal cavity)
pero-	deformed
pest/i	pests, plague
-petal	moving forward
petr/o	stone, stone-like hardness
-pexy	surgical fixation
phac/o	pertaining to lens
phag/o	eat, swallow
-phagia	eating, swallowing
-phagy	eating, devouring
phak/o	pertaining to lens
phall/o	penis
pharmac/o	drugs
pharyng/o	throat
phas/o	speech
-phasia	speech
-pheresis	removal
-phil	attraction
phil/o	attraction
-philia	affinity for
phleb/o	vein
phlebo-	vein
phob/o	fear, adversion
-phobia	abnormal fear
phon/o	sound, voice
phor/o	to carry
phot/o	light
phreni-	diaphragm, mind
phyl/o	race, species, type
-phylaxis	protection
phyllo-	leaf
physi-	physical, natural
-physis	growth, growing
physo-	swelling, gas
phyt-	plants
pico-	one trillionth
-piesis	pressure
piez/o	pressure
pil/o	hair
pituitar/o	pituitary
-plakia	patches
plan/o	flat, plan, level
plani-	flat, level
-plasm	formation
plasmo-	plasma
plast/o	formation
-plasty	surgical repair
platy-	broad, flat
-plegia	paralysis
pless/i	striking, percussion
pleur/o	pleura, rib
plic/o	fold
pluri-	several, more
-pnea	breathing
pneo-	air, breath, breathing
pneum/o	lung, air
pneumon/o	lung
-pod	foot
-poiesis	production, formation
poikil-	irregular, varied
polio-	gray
poly-	many
pono-	fatigue, exhaustion, overwork
por/o	passage, opening, duct
-porosis	decrease in density
-posia	drinking, fluid intake
post-	after, behind, back
-prandial	meal
-praxia	to perform, action
pre-	before, in front of
presby/o	old age
primi-	first
pro-	before, in front of
proct/o	anus and rectum
pros/o	forward, anterior
prosop/o	face
prostat/o	prostate
prote/o	protein
proto-	first
proxim/o	nearest
psamm/o	sand
pseud-	false
pseudo-	false
psor/o	itching
psych/o	mind
-pterygium	abnormality of conjunctiva
-ptosis	drooping, prolapse
ptyal/o	saliva
-ptysis	spitting
pub/o	pubic, pubes
pulm/o	lung
pulmon/o	lung
puls/o	beating, to beat
-puncture	to pierce a surface
pupill/o	pupil
purpur/o	purple
purul/o	pus formation
py/o	pus
pyel/o	renal pelvis
pyg/o	buttocks
pykn/o	thick, dense, compact
pyl/e	portal vein
pylor/o	pylorus (opening between the stomach and duodenum)
pyr/o	fire, fever
pyret/o	fever
pyrex/o	fever