Browse the Medical Dictionary
- Niemann-Pick disease Nile blue Nine Mile fever Nipah virus Nippostrongylus Nipride Nissen fundoplication Nissl bodies Nissl stain Nissl substance Nitro-Dur Nitrostat Nizoral Nolvadex Nomina Anatomica Norplant Norpramin Norrie disease North American blastomycosis Northern blot Norvasc Norvir Norwalk agent Norway rat Norwood procedure Nosema Nosopsyllus Notoedres NovoLog Novocain Np Nuel's space NutraSweet
- NuvaRing O antigen OA OB OBS OCD ODD OI OMPA OPD OPV OR ORS OSA OT OTC OTR Oddi's sphincter Oedipus Oedipus complex Oesophagostomum Oestrus Ogilvie's syndrome Ohm's law Olaus Wormius Omnaris Omsk hemorrhagic fever Onchocerca Oncomelania Oncovin Onglyza Ophiophagus Opisthorchiidae
- Opisthorchis Orange G Oregon grape Orencia Oretic Ormond's disease Ornithodoros Ornithonyssus Oroya fever Ortho Evra Ortho Tri-Cyclen Ortho-Novum Orthomyxoviridae Osgood-Schlatter's disease Osler maneuver Osm Ostertagia Otobius Otodectes Owren's disease OxyContin Oxyspirura Oxyuridae P wave P-R interval P1 generation PA-C PABA PACU PAF PAH PAS PASA