Organ system

organ system ; organ / sy.together+stem.stand

origin ; ori.rise+gin

oris ; os ; or.mouth+is

oropharynx ; or.mouth+o+pharynx.throat

orthopnea ; orth.straight+o+pn.blow.breathe+ea.n

orthovoltage machines ; ortho.straight+volt+age.n / machine+s

ossiculectomy ; ossi.bone+cul.small+( ec.out+tom.cut+y.n)

ostealgia ; oste.bone+alg.pain+ia.n

ostectomy ; ost.bone+( ec.out+tom.cut+y.n)

osteitis ; oste.bone+itis.inflammation

osteitis deformans ; oste.bone+itis.inflammation / ( de.breaking+form.form+ans)

osteoarthritis ; OA ; oste.bone+o+arthr.joint+itis.inflammation

osteoblast ; oste.bone+o+blast.germ

osteoclasis ; oste.bone+o+clas.break+is.n

osteoclast ; oste.bone+o+clast.break

osteocyte ; oste.bone+o+cyte.cell

osteocyte lacuna ; oste.bone+o+cyte.cell / lacuna.pit

osteocyte process ; oste.bone+o+cyte.cell / ( pro.forth+cess.go)

osteoma ; oste.bone+oma.tumor

osteomalacia ; oste.bone+o+malac.soft+ia.

osteomyelitis ; oste.bone+o+myel.marrow+itis.inflammation

osteopathy ; oste.bone+o+path.feel.suffer.disease+y.n

osteoporosis ; oste.bone+o+por.perforation+osis.abnormalstate

osteorrhagia ; oste.bone+o+rrhag.burst+ia.n

osteosarcoma ; oste.bone+o+sarc.flesh+oma.tumor

otalgia ; ot.ear+alg.pain+ia.n

otitis externa ; ot.ear+itis.inflammation / ex.out+ter+na

otitis media ; OM ; ot.ear+itis.inflammation / med.middle+ia

otomycosis ; ot.ear+o+myc.fungus+osis.abnormalstate

otoplasty ; ot.ear+o+plast.form+y.n

otorhinolaryngology ; ORL ; ot.ear+o+rhin.nose+o+laryng.larynx+o+log.science+y.n

otorrhea ; ot.ear+o+rrhe.flow+a.n

otoscopy ; ot.ear+o+scop.observe+y.n

outer root sheath ; out.outside++er.more / root / sheath.covering

oval fossa ; ov.egg+al.a / fossa.ditch

oval window ; ov.egg+al.a / window

ovarian cyst ; ( ov.egg+ari)ovary+an.a / cyst.pouch.sac

ovarian pregnancy ; ( ov.egg+ari)ovary+an.a / pre.before+gn.gen.birth+ancy.n

ovarian tumor ; ( ov.egg+ari)ovary+an.a / ( tum.swell+or.n)

ovary ; ov.egg+ary

ovulation ; ov.ovum.egg+ul+at+ion.n

ovum ; ov.egg+um.n

oxygen ; O2 ; oxy.sharp+gen.birth

oxytocin ; oxy+toc.tikt.childbirth+in.hormone