nipple ; nip.tip+ple
nocturia ; noct.night+ur.urine+ia.n
node of Ranvier ; ( node.bind.knot) / of / Ranvier
nodule ; nod.knot+ule.small
non-Hodgkin lymphoma ; NHL ; non.not+Hodgkin / lymph+oma.tumor
non-insulin-dependent diabetes ; non.not-( in.inside+sul.sea+in) / ( de.down+pend.hang+ent.a) / dia.through+bet.go+es
non-insulin-dependent diabetes mellitus ; NIDDM ; non.not+( in.inside+sul.sea+in) / ( de.down+pend.hang+ent.a) / dia.through+bet.go+es / mell.honey+itus
nongonococcal urethritis ; NGU ; non.not+( gon.gen.birth.genital+o+cocc.grain.seed+al.a) / ( ur.urine+ethr)+itis.inflammation
nonunion ; non.not+( uni.one+on)
norepinephrine ; nor.normal+epi.upon+nephr.kidney+ine
notch ; notch.smallcut
nothing by mouth ; N.P.O.
nuclear magnetic resonance ; NMR ; ( nuc.nut+le).core+ar.a / magnet+ic.a / re.back+son.sound+ance.n
nuclear medicine ; nuc.nut+lear.a / ( med.cure+ic)doctor+ine
nucleus ; (nuc.nut+leus)core
nucleus of Schwann cell : nucleus.core / of / Schwann / cell
nyctalopia ; nyct.night+al.alaos.blind+op.vision+ia.n
nystagmus ; ny.nod+stagm+us.n