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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

ostium uteri
Synonym for external os of uterus ... The vaginal opening of the uterus. ... Synonym: ostium uteri, mouth of the womb, opening of uterus, orificium externum uteri, os uteri externum, ostium uteri externum. ... (05 Mar 2000) ...

ostium uteri externum
Synonym for external os of uterus ... The vaginal opening of the uterus. ... Synonym: ostium uteri, mouth of the womb, opening of uterus, orificium externum uteri, os uteri externum, ostium uteri externum. ... (05 Mar 2000) ...

ostium uteri internum
Synonym for isthmus of uterus ... An elongated constriction at the junction of the body and cervix of the uterus. ... Synonym: isthmus uteri, Guyon's isthmus, orificium internum uteri, os uteri internum, ostium uteri internum. ... (05 Mar 2000) ...

ostium uterinum tubae
Synonym for uterine ostium of uterine tubes ... The uterine opening of the oviduct. ... Synonym: ostium uterinum tubae, ostium internum, uterine opening of uterine tubes. ... (05 Mar 2000) ...

ostium vaginae
Synonym for vaginal orifice ... The narrowest portion of the canal, in the floor of the vestibule posterior to the urethral orifice. ... Synonym: ostium vaginae, orificium vaginae, vaginal opening. ... (05 Mar 2000) ...

ostium venae cavae inferioris
Synonym for opening of inferior vena cava ... The orifice through which the inferior vena cava opens into the right atrium. ... Synonym: ostium venae cavae inferioris, orifice of inferior vena cava. ... (05 Mar 2000) ...

ostium venae cavae superioris
Synonym for opening of superior vena cava ... The point of entry of the superior vena cava into the right atrium. ... Synonym: ostium venae cavae superioris, orifice of superior vena cava. ... (05 Mar 2000) ...

ostium venosum cordis
Synonym for tricuspid orifice ... An atrioventricular opening which leads from the right atrium into the right ventricle of the heart. ... Synonym: ostium atrioventriculare dextrum, ostium venosum cordis. ... (05 Mar 2000) ...

ostomate
Term for one who has an ostomy. ... Origin: L. Ostium, mouth ... (05 Mar 2000) ...

ostomy
<procedure> An operation to create an opening from an area inside the body to the outside. See glossary entry for colostomy. ... (12 Dec 1998) ...

ostracea
<marine biology> A division of bivalve mollusks including the oysters and allied shells. ... Origin: NL, fr. Gr. Shell of a testacean. ... (19 Mar 1998) ...

ostraceous
Denoting the heaping up of scales seen in psoriasis, which resembles the stratification of oyster shells. ... Origin: Ostraeacea, group including the oysters ... (05 Mar 2000) ...

ostreotoxism
Poisoning from eating infected or contaminated oysters. ... Origin: G. Ostreon, oyster, + toxikon, poison ... (05 Mar 2000) ...

ostrich
<zoology> A large bird of the genus Struthio, of which Struthio camelus of Africa is the best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high. ... The South African ostrich (Struthio aust …

Ostrum-Furst syndrome
<syndrome> Congenital synostosis of the neck. ... (05 Mar 2000) ...

Ostwald, Friedrich Wilhelm
<person> German physical chemist and Nobel laureate, 1853-1932. ... See: Ostwald's solubility coefficient. ... (05 Mar 2000) ...

Ostwald's solubility coefficient
The milliliters of gas dissolved per milliliter of liquid and per atmosphere (760 mm of Hg) partial pressure of the gas at any given temperature. This differs from Bunsen's solubility coefficient (a) in that the amount of dissolved gas is expressed in terms of its volume at the temperature of the experiment, instead of STPD. Thus, lambda = a (1 + 0 …

OT
1. <abbreviation> Occupational therapist or therapy; Koch's old tuberculin. ... 2. <prefix> The ear. ... See: auri-. ... Origin: G. Ous ... (05 Mar 2000) ...

Ota, Masao
<person> Japanese dermatopathologist, 1885-1945. ... See: Ota's nevus. ... (05 Mar 2000) ...

Ota's nevus
Synonym for oculodermal melanosis ... Pigmentation of the conjunctiva and skin around the eye, usually unilateral; seen especially in women of Oriental races. ... Synonym: Ota's nevus. ... (05 Mar 2000) ...

otaheite apple
<botany> The fruit of a Polynesian anacardiaceous tree (Spondias dulcis), also called vi-apple. It is rather larger than an apple, and the rind has a flavor of turpentine, but the flesh is said to taste like pineapples. ... A West Indian name for a myrtaceous tree (Jambosa Malaccensis) which bears crimson berries. ... Origin: So named from Otah …

OTC
Over-the-counter. ... (12 Dec 1998) ...

OTF
Synonym for optical transfer function ... <microscopy> The relationship between the image produced by an optical instrument and the amplitude and phase of a periodic specimen, measured at various spatial frequencies. ... The optical transfer function curve, which shows how well contrast is maintained for finer specimen details, is a complex fun …

Othello syndrome
<syndrome> A delusional belief in the infidelity of one's spouse. ... Origin: Othello, Shakespearian char. ... (05 Mar 2000) ...

other-directed
Pertaining to a person readily influenced by the attitudes of others. ... (05 Mar 2000) ...

otic
Relating to the ear. ... Origin: G. Otikos, fr. Ous, ear ... (05 Mar 2000) ...

otic abscess
A cerebral abscess usually involving the temporal lobe or cerebellar hemisphere, due to extension of suppuration of the middle ear. ... Synonym: otogenous abscess. ... (05 Mar 2000) ...

otic barotrauma
Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems include ear pain, ringing, diminished hearing and, sometimes, dizziness. Alternate terms include aerotitis: aerotitis media, barotitis, barotitis media. ... (12 Dec 1998) ...

otic capsule
The cartilage capsule surrounding the inner ear mechanism; in elasmobranchs, it remains cartilaginous in the adult; in the embryos of higher vertebrates, it is cartilaginous at first but later becomes bony (at approximately 23 weeks in humans). ... (05 Mar 2000) ...

otic ganglion
An autonomic ganglion situated below the foramen ovale medial to the mandibular nerve; its postganglionic, parasympathetic fibres are distributed to the parotid gland. ... Synonym: ganglion oticum, Arnold's ganglion, auricular ganglion, otoganglion. ... (05 Mar 2000) ...

otic pits
Synonym for auditory pits ... Paired depressions, one on either side of the head of the embryo, marking the location of the future auditory vesicles. ... Synonym: otic pits. ... (05 Mar 2000) ...

otic placodes
Synonym for auditory placodes ... Paired ectodermal placode's that sink below the general level of the superficial ectoderm to form the auditory vesicles. ... Synonym: otic placodes. ... (05 Mar 2000) ...

otic vesicle
Synonym for auditory vesicle ... One of the paired sacs of invaginated ectoderm that develop into the membranous labyrinth of the internal ear. ... Synonym: acoustic vesicle, otic vesicle. ... (05 Mar 2000) ...

Otis, Arthur Brooks
<person> U.S. Respiratory physiologist, *1913. ... See: Rahn-Otis sample. ... (05 Mar 2000) ...

otitic
Relating to otitis. ... (05 Mar 2000) ...

otitic hydrocephalus
A form of thrombotic hydrocephalus associated with otitis media and thrombosis of one or both transverse sinuses of the dura. ... (05 Mar 2000) ...

otitic meningitis
Infection of the meninges secondary to mastoiditis or otitis media. ... (05 Mar 2000) ...

otitis
<pathology> Inflammation of the ear, which may be marked by pain, fever, abnormalities of hearing, hearing loss, tinnitus and vertigo. ... (18 Nov 1997) ...

otitis desquamativa
Otitis externa with a copious brawny desquamation. ... (05 Mar 2000) ...

otitis externa
Infection and inflammation of the external ear canal. ... Symptoms include earache, ear discharge and decreased hearing. ... (27 Sep 1997) ...

otitis interna
Inflammation of the inner ear. ... (12 Dec 1998) ...

otitis media
Infection and inflammation of the middle ear space and ear drum. ... Symptoms include earache, fever and in some cases, diminished hearing. ... (27 Sep 1997) ...

otitis media with effusion
Inflammation of the middle ear with a clear pale yellow-coloured transudate. ... (12 Dec 1998) ...

otitis media, suppurative
Inflammation of the middle ear with purulent discharge. ... (12 Dec 1998) ...

oto-
<prefix> Pertaining to the ear. ... (12 Dec 1998) ...

otoacariasis
An infestation of the auditory canal of cats, dogs, foxes, and other animals by auricular mites, chiefly Otodectes cynotis, which infest the ears and cause considerable discomfort and tenderness; in extreme cases, they cause symptoms such as loss of appetite, wasting, and fits. ... See: otodectic mange. ... Synonym: parasitic otitis. ... (05 Mar 2000) …

otoacoustic
Referring to the very faint sounds produced by the ear; thought to represent mechanical vibrations in the cochlea. ... (05 Mar 2000) ...

otoacoustic emissions, spontaneous
Sinusoidal tones originating in the cochlea. These faint sounds, with levels between 10-30 decibels, are usually not recognised by the persons having them. However, the emissions can be recorded using sensitive microphones placed in the ear canals. The clinical significance of having or not having spontaneous otoacoustic emissions is unclear; howev …

otobiosis
Presence of larvae and the characteristic spiny nymphs of Otobius megnini in the external auditory canal of cattle, horses, cats, dogs, deer, coyotes, and other domestic and wild animals; they may remain in the ear for several months before dropping out to pupate and mature. Several records of human infection are known. ... (05 Mar 2000) ...

Otobius
A genus of argasid ticks similar to Ornithodoros but characterised by a granulated integument, a hypostome that is vestigial in the adult but well developed in the spiny nymphs, and the absence of eyes and hood. Two species are recognised: Otobius lagophilus (the face tick of rabbits), and Otobius megnini, the spinose ear tick that causes otobiosis …

otocephaly
Malformation characterised by markedly defective development of the lower jaw (micrognathia or agnathia) and the union or close approach of the ears (synotia) on the front of the neck. ... Origin: oto-+ G. Kephale, head ... (05 Mar 2000) ...

otocerebritis
Synonym for otoencephalitis ... Inflammation of the brain by extension of the process from the middle ear and mastoid cells. ... Synonym: otocerebritis. ... Origin: oto-+ G. Enkephalos, brain, + -itis, inflammation ... (05 Mar 2000) ...

otoconia
Synonym for statoliths ... Crystalline particles of calcium carbonate and a protein adhering to the gelatinous membrane of the maculae of the utricle and saccule. ... Synonym: statoconia, ear crystals, otoconia, otoliths, otolites, sagitta. ... Origin: G. Statos, standing, + lithos, stone ... (05 Mar 2000) ...

otocranium
The bony case of the internal and middle ear, consisting of the petrous portion of the temporal bone. ... Origin: oto-+ G. Kranion, cranium ... (05 Mar 2000) ...

Otodectes
A genus of ear mites (family Psoroptidae) consisting of a single species, Otodectes cynotis, the cause of otodectic mange in dogs, cats, and other carnivores; the entire lifespan of this mite is spent in the ears (rarely on the body) of the host, where it feeds on epidermal debris; it can be found in the encrusted material scraped from infected ear …

otodectic
Of, relating to, or caused by mites of the genus Otodectes. ... (05 Mar 2000) ...

otodectic mange
Disease resulting from heavy infestation with the mite Otodectes cynotis in the ears of dogs, cats, foxes, and other carnivores and manifested by head shaking, continual ear scratching, and ear droop; observed in severe cases are torticollis, circling, epileptoid fits with purulent inflammation and discharge of the external ear, and possible perfor …

otodynia
Synonym for earache ... Pain in the ear. ... (12 Dec 1998) ...

otoencephalitis
Inflammation of the brain by extension of the process from the middle ear and mastoid cells. ... Synonym: otocerebritis. ... Origin: oto-+ G. Enkephalos, brain, + -itis, inflammation ... (05 Mar 2000) ...

otoganglion
Synonym for otic ganglion ... An autonomic ganglion situated below the foramen ovale medial to the mandibular nerve; its postganglionic, parasympathetic fibres are distributed to the parotid gland. ... Synonym: ganglion oticum, Arnold's ganglion, auricular ganglion, otoganglion. ... (05 Mar 2000) ...

otogenic
Of otic origin; originating within the ear, especially from inflammation of the ear. ... Origin: oto-+ G. -gen, producing ... (05 Mar 2000) ...

otogenous abscess
Synonym for otic abscess ... A cerebral abscess usually involving the temporal lobe or cerebellar hemisphere, due to extension of suppuration of the middle ear. ... Synonym: otogenous abscess. ... (05 Mar 2000) ...

otolaryngologist
<specialist> A physician specialist who is expert in the medical and surgical treatment of disorders of the larynx and ears. ... (27 Sep 1997) ...

otolaryngology
<study> A branch of medicine concerned with the diagnosis and treatment of disorders and diseases of the ears, nose and throat. ... (09 Oct 1997) ...

otolithic membrane
A gelatinous membrane surmounting the acoustic maculae of the saccule and utricle and containing minute calciferous granules, known as otoconia, otoliths, or statoconia. ... (12 Dec 1998) ...

otoliths
Synonym: statoliths. ... Origin: oto-+ G. Lithos, stone ... (05 Mar 2000) ...

otologic
Relating to otology. ... (05 Mar 2000) ...

otologic surgical procedures
Surgery performed on the external, middle, or internal ear. ... (12 Dec 1998) ...

otomandibular dysostosis
Hypoplasia of the mandible, often with malformation of the temporomandibular joint, associated with malformations of the ear but not eye malformations or malar defects. ... Synonym: otomandibular syndrome. ... (05 Mar 2000) ...

otomandibular syndrome
Synonym for otomandibular dysostosis ... Hypoplasia of the mandible, often with malformation of the temporomandibular joint, associated with malformations of the ear but not eye malformations or malar defects. ... Synonym: otomandibular syndrome. ... (05 Mar 2000) ...

otomucormycosis
Mucormycosis of the ear. ... (05 Mar 2000) ...

otomycosis
An infection due to a fungus in the external auditory canal, usually unilateral, with scaling, itching, and pain as the primary symptoms. ... (05 Mar 2000) ...

otoneuralgia
Earache of neuralgic origin, not caused by inflammation. ... Origin: oto-+ G. Neuron, nerve, + algos, pain ... (05 Mar 2000) ...

otopalatodigital
Relating to the ears, palate, and fingers. ... (05 Mar 2000) ...

otopalatodigital syndrome
<syndrome> Conduction deafness and cleft palate with broad nasal root and frontal bossing, wide spacing of toes, broad thumbs and great toes, and often other signs of generalised bone dysplasia; X-linked recessive inheritance. ... (05 Mar 2000) ...

otopharyngeal
Relating to the middle ear and the pharynx. ... (05 Mar 2000) ...

otopharyngeal tube
Synonym for auditory tube ... A tube leading from the tympanic cavity to the nasopharynx; it consists of an osseous (posterolateral) portion at the tympanic end, and a fibrocartilaginous (anteromedial) portion at the pharyngeal end; where the two portions join, in the region of the sphenopetrosal fissure, is the narrowest portion of the tube (isthmu …

otoplasty
Reparative or plastic surgery of the auricle of the ear. ... Origin: oto-+ G. Plastos, formed ... (05 Mar 2000) ...

otorhinolaryngologic diseases
General or unspecified diseases of the ear, nose, and throat. ... (12 Dec 1998) ...

otorhinolaryngologic neoplasms
The general concept of orl neoplasms or those for which no specific heading exists. ... (12 Dec 1998) ...

otorhinolaryngology
<study> The branch of medicine concerned with medical and surgical treatment of the head and neck, including the ears, nose and throat. ... (18 Nov 1997) ...

otorrhoea
<otolaryngology> A discharge from the ear, especially a purulent one. ... Origin: Gr. Rhoia = to flow ... (18 Nov 1997) ...

otosalpinx
Synonym: auditory tube. ... Origin: oto-+ G. Salpinx, trumpet ... (05 Mar 2000) ...

otosclerosis
<otolaryngology> A pathological condition of the bony labyrinth of the ear, in which there is formation of spongy bone (otospongiosis), especially in front of and posterior to the footplate of the stapes, it may cause bony ankylosis of the stapes, resulting in conductive hearing loss. Cochlear otosclerosis may also develop, resulting in senso …

otoscopes
Instruments for inspecting the ear. ... (12 Dec 1998) ...

ototoxic
Having a deleterious effect upon the eighth nerve or upon the organs of hearing and balance. ... (18 Nov 1997) ...

ototoxicity
Toxicity to the auditory nerve (cranial nerve VIII). ... (27 Sep 1997) ...

otter
1. <zoology> Any carnivorous animal of the genus Lutra, and related genera. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit So …

otters
Fish-eating carnivores of the family mustelidae, found on both hemispheres. ... (12 Dec 1998) ...

Otto
Adolph W., German surgeon, 1786-1845. ... See: Otto pelvis, Otto's disease. ... (05 Mar 2000) ...

otto of rose
Synonym for oil of rose ... A volatile oil from the fresh flowers of Rosa gallica and R. Damascena and other members of the Rosaceae family. Used largely in perfumery; ointments, and toilet preparations. ... Synonym: attar of rose, essence of rose, otto of rose. ... (05 Mar 2000) ...

Otto pelvis
Synonym for Otto's disease ... A disease characterised by an inward bulging of the acetabulum into the pelvic cavity, resulting from arthritis of the hip joints, usually due to rheumatoid arthritis. ... Synonym: arthrokatadysis, Otto pelvis, protrusio acetabuli. ... (05 Mar 2000) ...

Otto's disease
A disease characterised by an inward bulging of the acetabulum into the pelvic cavity, resulting from arthritis of the hip joints, usually due to rheumatoid arthritis. ... Synonym: arthrokatadysis, Otto pelvis, protrusio acetabuli. ... (05 Mar 2000) ...

ottoman
Of or pertaining to the Turks; as, the Ottoman power or empire. ... Origin: F. Ottoman: cf. It. Ottomano, ottomanno; from Othoman, Othman, or Osman, the name of a sultan who assumed the government of Turkey about the year 1300. Cf. Osmanli, Ottoman a stuffed seat. ... 1. A Turk. ... 2. [F. Ottomane, from ottoman Turkish] A stuffed seat without a back, …

Ottoson
David, 20th century Swedish physiologist. ... See: Ottoson potential. ... (05 Mar 2000) ...

Ottoson potential
Synonym for electro-olfactogram ... <investigation> An electronegative wave of potential occurring on the surface of the olfactory epithelium in response to stimulation by an odour. ... Synonym: osmogram, Ottoson potential. ... (05 Mar 2000) ...

ouabagenin
The aglycon obtained from the hydrolysis of the cardiac glycoside, ouabain; exerts cardiotonic activity. ... (05 Mar 2000) ...

ouabain
<drug> A plant alkaloid from Strophantus gratus, that specifically binds to and inhibits the sodium potassium ATPase. Related to digitalis. ... (18 Nov 1997) ...

Ouchterlony
Orjan, Swedish bacteriologist, *1914. ... See: Ouchterlony method, Ouchterlony technique, Ouchterlony test, Ouchterlony technique. ... (05 Mar 2000) ...

Ouchterlony assay
<investigation> Immunological test for antigen antibody reactions in which diffusion of soluble antigen and antibody in a gel leads to precipitation of an antigen-antibody complex, visible usually as a whitish band. The system has the advantage that, because of radial diffusion of the reagents, a very wide range of ratios of antigen to antibo …