O

O agglutinin

O antigen

O colony

O shell

O'Beirne

O'Beirne sphincter

O'Beirne valve

O'Dwyer

O'Dwyer tube

O'Hara

O'Hara forceps

O'nyong-nyong fever

o'nyong-nyong virus

o-

O-(triethylaminoethyl) cellulose

O-acetylcarnitine

O-acylcarnitine

o-aminobenzoic acid

o-chlorobenzalmalononitrile

O-diethylaminoethyl cellulose

o-diphenolase

O-phosphono-

O-phosphoserine

o-phthalaldehyde

O-R system

O-succinylhomoserine (thiol)-lyase

o.d.

O.D.

O.U.

OA

OAC

OAE

oak apple

oari-

oasthouse urine disease

oat cell

oat cell carcinoma

oath

oatmeal-tomato paste agar

OAV syndrome

OB

OB protein

OB/GYN

obeliac

obeliad

obelion

Ober test

Obermayer

Obermayer test

Obermeier

Obermeier spirillum

Obersteiner

Obersteiner-Redlich line

Obersteiner-Redlich zone

obese

obesity

obesity index

obex

obfuscation

object

object blindness

object choice

object constancy

object glass

object libido

object relationship

objective

objective assessment data

objective optometer

objective perimetry

objective probability

objective psychology

objective sign

objective symptom

objective synonyms

obligate

obligate aerobe

obligate anaerobe

obligate parasite

oblique

oblique amputation

oblique arytenoid muscle

oblique auricular muscle

oblique bandage

oblique bundle of pons

oblique cord of interosseous membrane of forearm

oblique diameter

oblique facial cleft

oblique fibers of muscular layer of stomach

oblique fissure

oblique fissure of lung

oblique fracture

oblique head

oblique illumination

oblique lie

oblique ligament of elbow joint

oblique line

oblique line of mandible

oblique line of thyroid cartilage

oblique muscle of auricle

oblique part of cricothyroid (muscle)

oblique pericardial sinus

oblique pontine fasciculus

oblique popliteal ligament

oblique projection

oblique ridge

oblique ridge of crown

oblique ridge of trapezium

oblique section

oblique sinus of pericardium

oblique vein of left atrium

obliquity

obliquus

obliquus capitis inferior (muscle)

obliquus capitis superior (muscle)

obliteration

obliterative arachnoiditis

obliterative bronchitis

obliterative pericarditis

oblong fovea of arytenoid cartilage

oblong pit of arytenoid cartilage

oblongata

obnubilation

OBS

observer

obsession

obsessional neurosis

obsessive behavior

obsessive personality

obsessive-compulsive

obsessive-compulsive disorder (OCD)

obsessive-compulsive neurosis

obsessive-compulsive personality

obsessive-compulsive personality disorder

obsolescence

obstacle sense

obstetric

obstetric binder

obstetric conjugate

obstetric conjugate diameter

obstetric conjugate of pelvic outlet

obstetric fistula

obstetric forceps

obstetric genital fistula

obstetric hand

obstetric palsy

obstetric paralysis

obstetric position

obstetric ultrasound

obstetrician

obstetrics (OB)

obstinate

obstipation

obstruction

obstructive appendicitis

obstructive dysmenorrhea

obstructive hydrocephalus

obstructive jaundice

obstructive murmur

obstructive pneumonia

obstructive sleep apnea (OSA)

obstructive sleep apnea syndrome (OSAS)

obstructive sleep apnea-hypopnea syndrome (OSAHS)

obstructive thrombus

obstructive uropathy

obstruent

obtund

obturating embolism

obturation

obturator

obturator appliance

obturator artery

obturator branch of pubic branch of inferior epigastric artery

obturator canal

obturator crest

obturator externus (muscle)

obturator fascia

obturator foramen

obturator groove

obturator hernia

obturator internus (muscle)

obturator lymph nodes

obturator membrane

obturator nerve

obturator tubercle (anterior and posterior)

obturator veins

obtuse

obtusion

OC

Occam's razor

occipital

occipital anchorage

occipital angle of parietal bone

occipital artery

occipital aspect

occipital belly of occipitofrontalis muscle

occipital bone

occipital border

occipital border of parietal bone

occipital border of temporal bone

occipital branch

occipital cerebral veins

occipital condyle

occipital diploic vein

occipital emissary vein

occipital fontanelle

occipital forceps

occipital groove

occipital gyri

occipital horn

occipital horn syndrome

occipital line

occipital lobe

occipital lobe epilepsy

occipital lobe of cerebrum

occipital lymph nodes

occipital margin

occipital margin of temporal bone

occipital neuralgia

occipital neurectomy

occipital neuritis

occipital operculum

occipital part of corpus callosum

occipital plane

occipital plexus

occipital point

occipital pole

occipital pole [TA] of cerebrum

occipital region of head

occipital sinus

occipital somite

occipital stripe

occipital triangle

occipital vein

occipitalis

occipitalis muscle

occipitalization

occipito-

occipitoanterior position (OA)

occipitoatloid

occipitoaxial

occipitoaxial ligaments

occipitobregmatic

occipitocollicular tract

occipitofacial

occipitofrontal

occipitofrontal diameter

occipitofrontal fasciculus

occipitofrontal muscle

occipitofrontalis

occipitofrontalis (muscle)

occipitomastoid

occipitomastoid suture

occipitomental

occipitomental diameter

occipitomental projection

occipitoparietal

occipitopontine fibers

occipitopontine tract

occipitoposterior position (OP)

occipitotectal fibers

occipitotectal tract

occipitotemporal

occipitotemporal sulcus

occipitothalamic

occipitothalamic radiation

occipitotransverse position

occiput

occlude

occluded virus

occluder

occluding centric relation record

occluding frame

occluding ligature

occluding paper

occluding relation

occlusal

occlusal adjustment

occlusal analysis

occlusal balance

occlusal caries

occlusal clearance

occlusal correction

occlusal curvature

occlusal disharmony

occlusal embrasure

occlusal fissure

occlusal force

occlusal form

occlusal fossa

occlusal harmony

occlusal imbalance

occlusal path

occlusal pattern

occlusal pearl

occlusal pivot

occlusal plane

occlusal position

occlusal pressure

occlusal radiograph

occlusal rest

occlusal rest bar

occlusal rim

occlusal scheme

occlusal surface of tooth

occlusal system

occlusal table

occlusal trauma

occlusal vertical dimension

occlusal wear

occlusion

occlusion of pupil

occlusion rim

occlusive

occlusive dressing

occlusive ileus

occlusive meningitis

occlusometer

occult

occult bleeding

occult blood

occult border of nail

occult carcinoma

occult choroidal neovascularization

occult cleft palate

occult fracture

occult hydrocephalus

occult papillary carcinoma of the thyroid

occult posterior laryngeal cleft

occupational disease

occupational hearing loss

occupational therapy (OT)

OCD

Oceanospirillum

ocellus

ochlophobia

Ochoa

Ochoa law

Ochoa syndrome

ochratoxin

ochratoxin A

ochre codon

ochre mutation

Ochrobactrum

ochrodermia

ochrometer

ochronosis

ochronotic

ochronotic arthritis

Ochsner

Ochsner clamp

Ochsner method

ocrylate

OCT

oct-

OCTA

octacosanoic acid

octad

octafluoropropane

octamethyl pyrophosphoramide (OMPA)

octan

octandioic acid

octanoate

octanoic acid

octanoyl-CoA synthetase

octapeptide

octaploidy

octapressin

octavalent

octavus

octi-

octo-

Octomitidae

Octomitus hominis

octopamine

octose

octreotide

octulose

octulosonic acid

ocular

ocular albinism

ocular albinism type 1

ocular albinism type 2

ocular albinism type 3

ocular ALBINISM with late-onset sensorineural deafness

ocular albinism with sensorineural deafness

ocular apraxia

ocular bobbing

ocular cicatricial pemphigoid

ocular cone

ocular crisis

ocular cup

ocular dysmetria

ocular flutter

ocular fundus

ocular humor

ocular hypertelorism

ocular larva migrans

ocular larva migrans granuloma

ocular lens

ocular micrometer

ocular migraine

ocular motor

ocular motor apraxia

ocular muscles

ocular myiasis

ocular myopathy

ocular nystagmus

ocular onchocerciasis

ocular paralysis

ocular pemphigoid

ocular prosthesis

ocular rigidity

ocular scoliosis

ocular sparganosis

ocular tension (Tn)

ocular torticollis

ocular vertigo

ocular vesicle

ocular-mucous membrane syndrome

ocularist

oculentum

oculi

oculist

oculo-

oculoauriculovertebral

oculoauriculovertebral dysplasia (OAC)

oculobuccogenital syndrome

oculocardiac

oculocardiac reflex

oculocephalic reflex

oculocephalogyric reflex

oculocerebrorenal

oculocerebrorenal syndrome

oculocutaneous

oculocutaneous albinism

oculocutaneous syndrome

oculodentodigital

oculodentodigital dysplasia (ODD)

oculodermal

oculodermal melanosis

oculodynia

oculoencephalic angiomatosis

oculofacial

oculography

oculogravic illusion

oculogyral illusion

oculogyria

oculogyric

oculogyric crises

oculomandibulodyscephaly

oculomandibulofacial syndrome

oculomotor

oculomotor nerve [CN III]

oculomotor nucleus

oculomotor response

oculomotor root of ciliary ganglion

oculomotor sulcus of mesencephalon

oculomotor system

oculomotorius

oculonasal

oculoorogenital syndrome

oculopathy

oculopharyngeal dystrophy

oculopharyngeal syndrome

oculoplethysmography

oculopneumoplethysmography

oculopupillary

oculorespiratory syndrome

oculosympathetic

oculovagal reflex

oculovertebral

oculovertebral dysplasia

oculovertebral syndrome

oculovestibuloauditory syndrome

oculozygomatic

oculus

ocy-

ocytocin