opsonophagocytis
Misspelling of opsonophagocytosis.

opsonophagocytoses
plural of opsonophagocytosis

opsonophagocytosis
phagocytosis initiated by an opsonin

opthalmology
Misspelling of ophthalmology.

opthamology
Misspelling of ophthalmology.

orbitopathies
plural of orbitopathy

orbitopathy
disease of the orbit around the eye

orbitostenosis
stenosis of an orbit of the eye

orcheocele
A tumour or inflammation of the testicle.

orchiditis
Alternative form of orchitis.

orchitides
plural of orchitis

orchitis
A painful inflammation of one or both testes.

orchitises
plural of orchitis

organicism
The theory that disease is a result of structural alteration of organs.
The concept that everything is organic, or forms part of an organic whole.
The treatment of society or the universe as if it were an organism.
The theory that the total organization of an organism is more important than the functioning of its individual organs.

organicisms
plural of organicism

ornithinaemia
Alternative form of ornithinemia.

orosphere
A clump of oral cancer cells

orospheres
plural of orosphere

orteronel
A non-steroidal antiandrogen that was investigated as a cancer treatment but later dropped.

orthodeoxia
accentuation of arterial hypoxemia upon standing upright

orthogeriatrics
orthopaedics for geriatric patients

orthohyperkeratosis
Alternative form of orthokeratosis.

orthokeratosis
hyperkeratosis without parakeratosis

orthopaedics
Alternative spelling of orthopedics.

orthopaedy
Alternative form of orthopedy.

orthopedics
The branch of medicine that deals with the prevention or correction of disorders of the bones and associated muscles and joints

orthopedy
Archaic form of orthopedics.

orthopia
Normal vision; an absence of a visual disorder.

orthopox
Infection with an orthopoxvirus.

orthopsychiatry
branch of psychiatry concerned with the prevention of mental illness, especially in the young

ortokeratosis
Misspelling of orthokeratosis.

oscheocele
A scrotal hernia.

oscillopathy
Any neurocognitive disorder characterised by oscillations in brain rhythms

oscillopsia
A visual disturbance in which objects in the visual field appear to oscillate.

osmidrosis
Body odour.

osteitides
plural of osteitis

osteitis
inflammation of bone

osteitises
plural of osteitis

osteo
osteomyelitis

osteoarthropathies
plural of osteoarthropathy

osteoarthropathy
Any disease of a joint between bones

osteoarthroses
plural of osteoarthrosis

osteoarthrosis
osteoarthritis

osteoblastosis
A disease associated with osteoblasts

osteocarcinoma
cancer of a bone

osteocarcinomas
plural of osteocarcinoma

osteocarcinomata
plural of osteocarcinoma

osteochondritis
inflammation of a bone and its cartilage

osteochondrodysplasia
Any disorder that affects the development of bone and cartilage.

osteochondrodysplasias
plural of osteochondrodysplasia

osteochondroma
A benign tumor consisting of bone or cartilage

osteochondromas
plural of osteochondroma

osteochondromata
plural of osteochondroma

osteochondromatosis
Proliferation of osteochondromata, benign tumours containing both bone and cartilage and affecting mostly the extremities of the long bones

osteochondropathia
Alternative form of osteochondropathy.

osteochondropathies
plural of osteochondropathy

osteochondropathy
Any disease of bone and cartilage

osteochondrophyte
a tumor composed of bone and cartilage

osteochondrophytes
plural of osteochondrophyte

osteochondroses
plural of osteochondrosis

osteochondrosis
A family of orthopedic diseases of the joint that occur in children and in rapidly growing animals, characterized by interruption of the blood supply of a bone, necrosis, and regrowth.

osteoclastoma
A tumor of bone characterized by the presence of giant, multinucleated cells

osteoclastomas
plural of osteoclastoma

osteoclastomata
plural of osteoclastoma

osteofibroma
Any tissue mass comprising bony and fibrous tissues, not necessarily specific to just a single disease entity in modern histopathology classifications but correlated especially with osteofibrous dysplasia.

osteofibromatosis
Any syndrome of multiple osteofibromas, not specific to just a single disease entity in modern histopathology classifications.

osteofibrosis
fibrotic osteodystrophy

osteoidosis
Any osteoid condition or disease

osteoinhibition
The inhibition of bone tumours

osteolathyrism
A collagen cross-linking deficiency brought on by dietary overreliance on the seeds of plants of the genus Lathyrus, especially Lathyrus sativus, the grass pea.

osteologies
plural of osteology

osteology
The scientific study of the morphology and pathology of bones.
The bone structure of a particular individual, or species.

osteoma
A benign bony tumour that typically grows on the skull.

osteomas
plural of osteoma

osteomata
plural of osteoma

osteomyelites
plural of osteomyelitis

osteomyelitides
plural of osteomyelitis

osteomyelitis
An infection of the bone

osteomyelitises
plural of osteomyelitis

osteonecroses
plural of osteonecrosis

osteonecrosis
Avascular necrosis.

osteopathologies
plural of osteopathology

osteopathology
pathology of bone

osteoperiostitis
inflammation of a bone and its periosteum

osteopetroses
plural of osteopetrosis

osteopetrosis
A rare hereditary disorder characterized by hard, dense bones.

osteoporoses
plural of osteoporosis

osteoporosis
A disease, occurring especially in women following menopause, in which the bones become extremely porous and are subject to fracture.

osteosarcoma
A type of cancer of the bone.

osteosarcomagenesis
The genesis of osteosarcomata

osteosarcomas
plural of osteosarcoma

osteosarcomata
plural of osteosarcoma

ostitis
Archaic form of osteitis.

otiatrics
The study of diseases of the ear and their treatment.

otoacariasis
acariasis of the ear

otoantritis
Inflammation of the mastoid antrum and tympanic attic.

otocephalies
plural of otocephaly

otocephaly
A lethal cephalic disorder involving the total or near-total absence of the lower jaw.

otolaryngology
The study of diseases of the ear, nose and throat.

otolaryngorhinology
The study of diseases of the ear, nose and throat

otologies
plural of otology

otology
The branch of medicine that deals with the ear, its structure, function and pathology.

otomastoiditis
An inflammation of the mastoid air cells.

otomycoses
plural of otomycosis

otomycosis
a fungal infection in the outer canal of the ear

otopathies
plural of otopathy

otopathology
The study of diseases of the ear

otopathy
Any disease of the ear

otorhinology
The study of (diseases of) the ear and nose

otosalpingitis
Inflammation of the Eustachian tube as a result of infection

otoscleroses
plural of otosclerosis

otosclerosis
Sclerosis of the tissues of the labyrinth and middle ear.
Loss of hearing due to injury of the auditory nerve by certain drugs and poisons, such as quinine and tobacco.
Loss of the ability to understand the spoken word, although the sound is heard.

otosyphilis
Otological syphilis: the otological component or manifestations of syphilis; syphilis's effects on the ears. In modern nosology not entirely distinct from the rest of neurosyphilis; sometimes formerly differentiated as, or in parallel with, parasyphilis.

otterpox
A friction blister.

otubain
Any of a family of proteases associated with ovarian tumours

otubains
plural of otubain

ourology
Archaic form of urology.

ovalocytosis
elliptocytosis

ovaritis
inflammation of the ovary

ovopathy
disease of the ovum

ovoprotection
protection of the ovary, typically from cancer

oxalosis
The deposition of oxalate within the body.

oxycephalies
plural of oxycephaly

oxycephalism
Synonym of oxycephaly.

oxycephaly
A kind of cephalic disorder: sometimes the premature closure of the coronal suture plus any other suture, such as the lambdoid; sometimes the premature fusing of all sutures.

oxygon
An acute triangle.

oxygons
plural of oxygon

oxyuriasis
pinworm infection; enterobiasis

pachigyria
Misspelling of pachygyria.