Dictionary

All Word
opportunistic infection Noun any infection caused by a microorganism that does not normally cause disease in humans
osteosclerosis Noun abnormal hardening or eburnation of bone
osteogenesis imperfecta Noun autosomal dominant disorder of connective tissue characterized by brittle bones that fracture easily
oriental sore Noun leishmaniasis of the skin
oligodactyly Noun congenital condition in which some fingers or toes are missing
oligodontia Noun congenital condition in which some of the teeth are missing
otosclerosis Noun hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness
oculopharyngeal muscular dystrophy Noun a form of muscular dystrophy that usually begins between early adulthood and middle age and first affects muscles of the eyelid and throat
oxycephaly Noun a congenital abnormality of the skull
oak blight Noun a black plant louse that lives on oaks and dogwoods
osteomalacia Noun abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D
ozone sickness Noun illness that can occur to persons exposed to ozone in high-altitude aircraft
osteopetrosis Noun an inherited disorder characterized by an increase in bone density
osteoporosis Noun abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium
organic brain syndrome Noun mental abnormality resulting from disturbance of the structure or function of the brain
ovarian cyst Noun a cystic tumor (usually benign) of the ovary
ophthalmia Noun severe conjunctivitis
ophthalmitis Noun severe conjunctivitis
ophthalmia neonatorum Noun ophthalmia in newborns
osteoblastoma Noun benign tumor of bone and fibrous tissue
osteochondroma Noun benign tumor containing both bone and cartilage
osteoma Noun a slow growing benign tumor of consisting of bone tissue
osteosarcoma Noun malignant bone tumor
osteogenic sarcoma Noun malignant bone tumor
oat cell carcinoma Noun highly malignant carcinoma composed of small round or egg-shaped cells with little cytoplasm
oral cancer Noun malignant neoplasm of the lips of mouth
open-angle glaucoma Noun glaucoma caused by blockage of the canal of Schlemm
ochronosis Noun an accumulation of dark pigment in cartilage and other connective tissue
omphalocele Noun protrusion of the intestine and omentum through a hernia in the abdominal wall near the navel
onion yellow dwarf Noun the yellow dwarf disease of onion plants
open fracture Noun bone fracture associated with lacerated soft tissue or an open wound
oscheocele Noun swelling of the scrotum
oscheocoele Noun swelling of the scrotum
odynophagia Noun severe pain on swallowing due to a disorder of the esophagus
orchidalgia Noun pain in the testes
odontalgia Noun an ache localized in or around a tooth
oesophageal reflux Noun reflux of stomach contents into the esophagus
oedema Noun swelling from excessive accumulation of watery fluid in cells, tissues, or serous cavities
otalgia Noun an ache localized in the middle or inner ear
orthopnea Noun form of dyspnea in which the person can breathe comfortably only when standing or sitting erect
oophoritis Noun inflammation of one or both ovaries
orchitis Noun inflammation of one or both testes
ophthalmoplegia Noun paralysis of the motor nerves of the eye
osteitis Noun inflammation of a bone as a consequence of infection or trauma or degeneration
osteomyelitis Noun an inflammation of bone and bone marrow (usually caused by bacterial infection)
otitis Noun inflammation of the ear
otitis externa Noun inflammation of the external ear (including auricle and ear canal)
otitis media Noun inflammation of the middle ear
ovaritis Noun inflammation of the ovaries
otorrhea Noun discharge from the external ear