Naboth (ou al lui)
Nanism
Nanomelie
Narcisism
Narcolepsie
Narcotic
Nasterea la termen
Nasterea prematura
Natalitate
Necrobioza
Necrobioza lipoidica
Necroliza epidermica acuta
Necroza
Nefrectomie
Nefretic
Nefrita
Nefrita interstitiala
Nefroangioscleroza
Nefrocalcinoza
Nefroftizie
Nefrograma izotopica
Nefrologie
Nefron
Nefropatie
Nefroscopie
Nefrostomie
Nefrotomie
Nefroza
Neg
Negi genitali

Neisseria gonorrhoeae
Neisseria meningitidis
Nelson (test al lui)
Neoformatie
Neolamarksism
Neonatalogie
Neoplasm
Neoplazie
Neoplazie endocriniana multipla
Neovas
Nerv
Nervatie
Neurastenie
Neurectomie
Neurinom
Neuroblastom
Neurochirurgie
Neuroendocrinologie
Neurofiziologie
Neuroleptanalgezie
Neuroleptic
Neuroliza
Neurologie
Neuron
Neuropatie
Neuropatie diabetica
Neuropatie optica
Neuropatologie
Neuroplegie
Neuroreceptor

Neurotonie
Neurotoxina
Neurotransmitator
Neutronterapie
Neutropenie
Nevomatoza bazocelulara
Nevralgia
Nevralgie
Nevralgie intercostala
Nevrectomie
Nevrita
Nevroglie
Nevrom
Nevroza
Nevroza fobica
Nevroza obsesionala
Nicotina
Nicovala
Nictofobie
Nicturie
Nidatie
Nimfomanie
Nitriti
Nocardiaza
Nocardioza
Nodozitate
Nodul
Nodul al corzilor vocale
Nodul hemoroidal
Noma

Noradrenalina
Normoblast
Normocit
Norwalk (virusul lui)
Nosologie
Nucal
Nucleoliza
Nudism
Nuditate
Nulipara
Numararea formulei sangvine
Nutriment
Nutritie
Nutritiv
Nara
Narco-
Narcomanie
Narcoza
Nas-, nazo-
Nastere
Nastere la termen
Natriu
Nebulizare
Necro-
Necropsie
Nefr-, nefro-
Nefrolitiaza
Neo-
Neomicina
Neonatal

Nervi cranieni
Nervozitate
Neur-
Neurinom acustic
Neurofibron
Neuromiopatie
Neuromuscular
Neuropsihiatrie
Neurostimulant
Neurovegetativ
Neutralizare
Neutrofil
Neutron
Neutru
Nev
Nevropatie
Nevrotic
Nihil
Nistagmus
Nitroglicerina
Nociceptiv
Nociv
Nod
Normocrom
Nosocomial
Nou-nascut
Nucleu
Nursing