Roots, Prefixes & Suffixes
P
| pachy- | thick [prefix] |
| palat/o | palate |
| palpit/o | throb, flutter |
| pan- | all [prefix] |
| pancreat/o | pancreas |
| papill/o | nipple, papilla |
| papul/o | papule, pimple |
| para | has given birth |
| para- | beside, near [prefix] |
| -paresis | weakness, slight paralysis [suffix] |
| patell/o | patella (knee) |
| path/o | disease |
| -pathy | disease [suffix] |
| pector/o | chest |
| ped(i/o) | child, foot |
| pelv(i/o) | pelvis |
| -penia | deficiency [suffix] |
| -pepsia | digestion [suffix] |
| pept/o | digest |
| per- | through [prefix] |
| peri- | around [prefix] |
| perine/o | perineum |
| peritone/o | peritoneum |
| peta- | quadrillion [prefix] |
| -pexy | fixation (surgical) [suffix] |
| phac/o | lens (eye) |
| phag/o | eat, ingest |
| -phagia | eating, ingestion [suffix] |
| phak/o | lens (eye) |
| phalang/o | finger or toe bone (phalanges) |
| phall/o | penis |
| pharmac/o | drug |
| pharyng/o | pharynx, throat |
| phas/o | speech |
| -phasia | speech [suffix] |
| phen/o | show |
| -pheresis | removal [suffix] |
| -phil(ia) | affinity for, attraction [suffix] |
| phleb/o | vein |
| phob/o | fear, aversion to |
| -phobia | fear, aversion to [suffix] |
| phon/o | sound, voice |
| -phoresis | transmit, carry [suffix] |
| phos | light |
| phot/o | light |
| -phragm | separation, wall [suffix] |
| phren/o | diaphragm |
| -phylaxis | protection, prevention [suffix] |
| physi/o | function, natural |
| physic/o | natural |
| -physis | growth [suffix] |
| -phyte | plant [suffix] |
| pico- | one trillionth [prefix] |
| pil/o | hair |
| pineal/o | pineal gland |
| pituitar/o | pituitary (gland) |
| -plakia | plaque [suffix] |
| -plasia | formation, growth [suffix] |
| -plasm | formation, thing formed [suffix] |
| plasm/o | plasma, formative |
| -plast | formation, cell [suffix] |
| -plasty | surgical repair [suffix] |
| -plegia | paralysis [suffix] |
| pleur(a/o) | pleura |
| -pnea | breathing [suffix] |
| pneum(a/o) | air, lung |
| pneumon/o | lung, breath |
| pod/o | foot |
| -poiesis | formation [suffix] |
| poli/o | gray (Gr. polios) |
| poly- | many, much [prefix] |
| poly- | many [prefix] |
| por- | opening, passage through [prefix] |
| post- | after; behind [prefix] |
| poster/o | back, towards back |
| -praxia | activity [suffix] |
| pre- | before, in front of (time or place) [prefix] |
| presby- | old age |
| primi- | first [prefix] |
| pro- | before, in front of (time or place) [prefix] |
| proct/o | anus, rectum |
| prostat/o | prostate (gland) |
| prot(o)- | first [prefix] |
| proxim/o | near, proximal to |
| prurit/o | itching (pruritus) |
| pseudo- | false [prefix] |
| psych/o | mind |
| -ptosis | prolapse, drooping [suffix] |
| -ptysis | spitting [suffix] |
| pub/o | pubis |
| pulm/o | lung |
| pulmon/o | lung |
| pupill/o | pupil |
| purpur/o | purple (Gr. purphura) |
| py/o | pus |
| pyel/o | renal pelvis |
| pylor/o | pylorus |
| pyr/o | fever, heat |
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Gr. Greek origin. L. Latin origin.
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. The definitions on this page should not be considered complete.