| A | B |
|---|
| myo- | muscle (mycology) |
| narc- | numbness, stupor (narcotic) |
| necro- | corpse, dead (necrosis) |
| neo- | new, young (neonatal) |
| nephr- | kidney (nephritis) |
| neuro- | nerve (neurolemma) |
| noto- | back (notochord) |
| ob- | against, in front of (obturator) |
| oc- | against (occlusion) |
| -oid | resembling, likeness (sigmoid) |
| oligo- | few, small (oligodendrocyte) |
| -oma | tumor (lymphoma) |
| 00- | egg (oocyte) |
| or- | mouth (oral) |
| orchi- | testis (orchiectomy) |
| ortho- | straight, normal (orthopnea) |
| -ory | pertaining to (sensory) |
| -ose | full of (adipose) |
| osteo- | bone (osteoblast) |
| oto- | ear (otoscope) |
| ovo- | egg (ovum) |
| par- | give birth to, bear (parturition) |
| para- | near, beyond, beside (paranasal) |
| path- | disease (pathology) |
| -pathy | abnormality, disease (neuropathy) |
| ped- | children (pediatrician) |
| pen- | need, lack (penicillin) |
| -penia | deficiency (thrombocytopenia) |
| per- | through (percutaneous) |
| peri- | near, around (pericardium) |
| phag- | to eat (phagocyte) |
| -phil | have an affinity for (neurophil) |
| phleb- | vein (phlebitis) |
| -phobia | abnormal fear, dread (hydrophobia) |
| -plasty | reconstruction of (rhinoplasty) |
| platy- | flat, side (platysma) |
| -plegia | stroke, paralysis (paraplegia) |
| -pnea | to breathe (apnea) |
| pneumo(n)- | lung (pneumonia) |
| pod- | foot (podiatry) |
| -poiesis | formation of (hemopoiesis) |
| poly- | many, much (polyploidy) |
| post- | after, behind (postnatal) |
