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

tympanic antrum
Synonym for mastoid antrum ... A cavity in the petrous portion of the temporal bone, communicating posteriorly with the mastoid cells and anteriorly with the epitympanic recess of the middle ear via the aperture of the mastoid antrum. ... Synonym: antrum mastoideum, tympanic antrum, Valsalva's antrum. ... (05 Mar 2000) ...

tympanic attic
Synonym for epitympanic recess ... The upper portion of the tympanic cavity above the tympanic membrane; it contains the head of the malleus and the body of the incus. ... Synonym: recessus epitympanicus, attic, epitympanic space, epitympanum, Hyrtl's epitympanic recess, tympanic attic. ... (05 Mar 2000) ...

tympanic body
Synonym for tympanic gland ... One of the mucous gland's in the mucosa of the tympanic cavity. ... Synonym: tympanic body. ... (05 Mar 2000) ...

tympanic bone
Synonym for tympanic ring ... In the foetus, a more or less complete bony ring at the medial end of the cartilaginous external acoustic meatus, to which is attached the tympanic membrane. ... Synonym: annulus tympanicus, tympanic bone. ... (05 Mar 2000) ...

tympanic cavity
An air chamber in the temporal bone containing the ossicles; it is lined with mucous membrane and is continuous with the auditory tube anteriorly and the tympanic antrum and mastoid air cells posteriorly. ... Synonym: cavitas tympanica, cavity of middle ear, cavum tympani, tympanum. ... (05 Mar 2000) ...

tympanic cells
Synonym for tympanic air cells ... Numerous groovelike depressions in the walls of the tympanic cavity, communicating with the tubal air cells. ... Synonym: cellulae tympanicae, tympanic cells. ... (05 Mar 2000) ...

tympanic enlargement
A swelling, not ganglionic, on the tympanic branch of the glossopharyngeus nerve; it is regarded as possibly similar to the carotid glomus. ... Synonym: intumescentia tympanica, tympanic intumescence. ... (05 Mar 2000) ...

tympanic ganglion
A small ganglion on the tympanic nerve during its passage through the petrous portion of the temporal bone. ... Synonym: ganglion tympanicum. ... (05 Mar 2000) ...

tympanic gland
One of the mucous gland's in the mucosa of the tympanic cavity. ... Synonym: tympanic body. ... (05 Mar 2000) ...

tympanic groove
The sulcus on the inner aspect of the tympanic part of the temporal bone in which the tympanic membrane is fixed. ... Synonym: sulcus tympanicus. ... (05 Mar 2000) ...

tympanic incisure
Synonym for tympanic notch ... The notch in the superior part of the tympanic ring bridged by the flaccid part of the tympanic membrane. ... Synonym: incisura tympanica, incisura rivini, Rivinus' incisure, Rivinus' notch, tympanic incisure. ... (05 Mar 2000) ...

tympanic intumescence
Synonym for tympanic enlargement ... A swelling, not ganglionic, on the tympanic branch of the glossopharyngeus nerve; it is regarded as possibly similar to the carotid glomus. ... Synonym: intumescentia tympanica, tympanic intumescence. ... (05 Mar 2000) ...

tympanic membrane
<anatomy> The eardrum. ... (13 Nov 1997) ...

tympanic membrane perforation
An opening in the tympanic membrane usually caused by trauma. There are four general categories: compression injuries (the most common and usually the result of a blow to the ear); instrumentation injuries (the second most common, usually inadvertent, caused often by cotton swabs or bobby-pins); burn-slag injuries (frequently seen in industry, from …

tympanic nerve
<anatomy, nerve> A nerve from the inferior ganglion of the glossopharyngeal nerve, passing through the tympanic canaliculus to the tympanic cavity, forming there the tympanic plexus which supplies the mucous membrane of the tympanic cavity, mastoid cells, and auditory tube; presynaptic parasympathetic fibres also pass through the tympanic ner …

tympanic notch
The notch in the superior part of the tympanic ring bridged by the flaccid part of the tympanic membrane. ... Synonym: incisura tympanica, incisura rivini, Rivinus' incisure, Rivinus' notch, tympanic incisure. ... (05 Mar 2000) ...

tympanic opening of auditory tube
An opening in the anterior part of the tympanic cavity below the canal for the tensor tympani muscle. ... Synonym: ostium tympanicum tubae auditivae, tympanic opening of eustachian tube. ... (05 Mar 2000) ...

tympanic opening of eustachian tube
Synonym for tympanic opening of auditory tube ... An opening in the anterior part of the tympanic cavity below the canal for the tensor tympani muscle. ... Synonym: ostium tympanicum tubae auditivae, tympanic opening of eustachian tube. ... (05 Mar 2000) ...

tympanic part of temporal bone
Synonym for tympanic plate of temporal bone ... The bony plate forming the greater part of the anterior wall of the bony part of the external acoustic meatus and the tympanic cavity and the posterior wall of the mandibular fossa. ... Synonym: pars tympanica ossis temporalis, tympanic part of temporal bone. ... (05 Mar 2000) ...

tympanic plate of temporal bone
The bony plate forming the greater part of the anterior wall of the bony part of the external acoustic meatus and the tympanic cavity and the posterior wall of the mandibular fossa. ... Synonym: pars tympanica ossis temporalis, tympanic part of temporal bone. ... (05 Mar 2000) ...

tympanic plexus
A plexus on the promontory of the labyrinthine wall of the tympanic cavity, formed by the tympanic nerve, an anastomotic branch of the facial, and sympathetic branches from the internal carotid plexus; it supplies the mucosa of the middle ear, mastoid cells, and auditory (eustachian) tube, and gives off the lesser superficial petrosal nerve to the …

tympanic promontory
Synonym for promontory of tympanic cavity ... A rounded eminence on the labyrinthine wall of the middle ear, caused by the first coil of the cochlea. ... Synonym: promontorium cavi tympani, tuber cochleae, tympanic promontory. ... (05 Mar 2000) ...

tympanic ring
In the foetus, a more or less complete bony ring at the medial end of the cartilaginous external acoustic meatus, to which is attached the tympanic membrane. ... Synonym: annulus tympanicus, tympanic bone. ... (05 Mar 2000) ...

tympanic sinus
A depression in the tympanic cavity posterior to the tympanic promontory. ... Synonym: sinus tympani. ... Sinus unguis, the deep cleft housing the root of the nail. ... Synonym: sinus of nail. ... (05 Mar 2000) ...

tympanic veins
Veins exiting from the tympanic cavity through the petrotympanic fissure with the chorda tympani and emptying into the retromandibular vein. ... Synonym: venae tympanicae. ... (05 Mar 2000) ...

tympanic wall of cochlear duct
The wall that separates the cochlear duct from the scala tympani; it consists of the osseous spiral lamina and the basilar membrane. ... Synonym: paries tympanicus ductus cochlearis, membrana spiralis, spiral membrane. ... (05 Mar 2000) ...

tympanichord
chorda tympani ...

tympanichordal
Relating to the chorda tympani nerve. ... (05 Mar 2000) ...

tympanicity
The quality of being tympanic or drumlike in tone. ... (05 Mar 2000) ...

tympanitic resonance
Synonym for tympany ... 1. <clinical sign> A flatulent distention of the belly; tympanites. ... 2. Hence, inflation; conceit; bombast; turgidness. 'Thine 's a tympany of sense.' 'A plethoric a tautologic tympany of sentence.' (De Quincey) ... Origin: Gr, fr. A kettledrum. See Tympanites. ... (28 Oct 1998) ...

tympano-
<anatomy, prefix> A combining form used in anatomy to indicate connection with, or relation to, the tympanum or ear drum; as in tympanohyal, tympano-Eustachian. ... (28 Oct 1998) ...

tympanocentesis
Puncture of the tympanic membrane with a needle to aspirate middle ear fluid. ... Origin: tympano-+ G. Kentesis, puncture ... (05 Mar 2000) ...

tympanoeustachian
Relating to the tympanic cavity and the auditory tube. ... (05 Mar 2000) ...

tympanohyal bone
A small nodule of bone forming the base of the cartilaginous styloid process of the temporal bone at birth. ... (05 Mar 2000) ...

tympanomalleal
Relating to the tympanic membrane and the malleus. ... (05 Mar 2000) ...

tympanomandibular
Relating to the tympanic cavity and the mandible. ... (05 Mar 2000) ...

tympanomastoid
Relating to the tympanic cavity and the mastoid cells. ... (05 Mar 2000) ...

tympanomastoid fissure
A fissure separating the tympanic portion from the mastoid portion of the temporal bone; it transmits the auricular branch of the vagus nerve. ... Synonym: fissura tympanomastoidea, auricular fissure, tympanomastoid suture. ... (05 Mar 2000) ...

tympanomastoid suture
Synonym for tympanomastoid fissure ... A fissure separating the tympanic portion from the mastoid portion of the temporal bone; it transmits the auricular branch of the vagus nerve. ... Synonym: fissura tympanomastoidea, auricular fissure, tympanomastoid suture. ... (05 Mar 2000) ...

tympanomastoiditis
Inflammation of the middle ear and the mastoid cells. ... (05 Mar 2000) ...

tympanomeatomastoidectomy
Synonym for radical mastoidectomy ... <procedure> An operation to exteriorise and join the mastoid air cells, the middle ear space, and the external meatus, often for extensive cholesteatoma. ... Synonym: tympanomeatomastoidectomy. ... (05 Mar 2000) ...

tympanometry
<technique> A test which measures the function of the middle ear by varying the pressures within the ear canal. This test measures the movement function of the tympanic membrane. ... (13 Nov 1997) ...

tympanophonia
Tympanophony ... Synonym: tinnitus aurium. ... Synonym: autophony. ... Origin: tympano-+ G. Phone, sound ... (05 Mar 2000) ...

tympanoplasty
<surgery> Surgical repair of the tympanic membrane (eardrum). ... (13 Nov 1997) ...

tympanosquamosal
Relating to the tympanic and squamous parts of the temporal bone. ... Synonym: squamotympanic. ... (05 Mar 2000) ...

tympanosquamous fissure
Synonym for squamotympanic fissure ... The fissure separating the tympanic part of the temporal bone from the squamous part; it is continuous medially with the petrotympanic fissure and the petrosquamous fissure. ... Synonym: fissura tympanosquamosa, tympanosquamous fissure. ... (05 Mar 2000) ...

tympanostapedial
Relating to the tympanic cavity and the stapes. ... (05 Mar 2000) ...

tympanostapedial junction
The connection of the base or foot-plate of the stapes with the vestibular (oval) window. ... Synonym: syndesmosis tympanostapedia, tympanostapedial syndesmosis. ... (05 Mar 2000) ...

tympanostapedial syndesmosis
Synonym for tympanostapedial junction ... The connection of the base or foot-plate of the stapes with the vestibular (oval) window. ... Synonym: syndesmosis tympanostapedia, tympanostapedial syndesmosis. ... (05 Mar 2000) ...

tympanostomy
Synonym: myringotomy. ... Origin: tympano-+ G. Ostium, mouth ... (05 Mar 2000) ...

tympanostomy tube
A small tube inserted through the tympanic membrane after myringotomy to aerate the middle ear; often used for serous otitis media. ... (05 Mar 2000) ...

tympanotemporal
Relating to the tympanic cavity and the temporal region or bone. ... (05 Mar 2000) ...

tympanotomy
Synonym: myringotomy. ... Origin: tympano-+ G. Tome, incision ... (05 Mar 2000) ...

tympanum
1. <anatomy> Loosely, the tympanic membrane (membrana tympani). ... 2. The tympanic cavity (cavitas tympanica). ... Origin: L., Gr. Tympanon = drum ... (13 Nov 1997) ...

tympany
1. <clinical sign> A flatulent distention of the belly; tympanites. ... 2. Hence, inflation; conceit; bombast; turgidness. 'Thine 's a tympany of sense.' 'A plethoric a tautologic tympany of sentence.' (De Quincey) ... Origin: Gr, fr. A kettledrum. See Tympanites. ... (28 Oct 1998) ...

Tyndall
John, English physicist, 1820-1893. ... See: Tyndall effect, tyndallization, Tyndall phenomenon. ... (05 Mar 2000) ...

Tyndall effect
Synonym for Tyndall phenomenon ... The visibility of floating particles in gases or liquids when illuminated by a ray of sunlight and viewed at right angles to the illuminating ray. ... Synonym: Tyndall effect. ... (05 Mar 2000) ...

Tyndall phenomenon
The visibility of floating particles in gases or liquids when illuminated by a ray of sunlight and viewed at right angles to the illuminating ray. ... Synonym: Tyndall effect. ... (05 Mar 2000) ...

tyndallization
Synonym: fractional sterilization. ... Origin: John Tyndall ... (05 Mar 2000) ...

type
1. The mark or impression of something; stamp; impressed sign; emblem. ... 2. Form or character impressed; style; semblance. ... 3. A figure or representation of something to come; a token; a sign; a symbol; correlative to antitype. ... 4. That which possesses or exemplifies characteristic qualities; the representative. ... <biology> Specifically …

type 1 dextrocardia
Synonym for dextrocardia with situs inversus ... Displacement of the heart to the right side of the chest with mirror transposition of the cardiac chambers together with transposition of the abdominal viscera. ... Synonym: type 1 dextrocardia. ... (05 Mar 2000) ...

type 1 diabetes
<endocrinology> Also referred to as juvenile onset diabetes. Underlying cause is likely genetic. Usually treated with daily insulin dosing. Insulin is necessary for the body to properly utilise glucose. Without insulin, glucose accumulates in the bloodstream. ... (27 Sep 1997) ...

type 1 glycogenosis
Glycogenosis due to glucose-6-phosphatase deficiency, resulting in accumulation of excessive amounts of glycogen of normal chemical structure, particularly in liver and kidney. ... Synonym: Gierke's disease, glucose-6-phosphatase hepatorenal glycogenosis, von Gierke's disease. ... (05 Mar 2000) ...

Type 1 GM1 gangliosidosis
Synonym for infantile generalised GM1 gangliosidosis ... One of the hereditary metabolic diseases of infancy; resembles Tay-Sachs disease, except other organ systems (bone, liver, kidney) are affected. ... Synonym: familial neuroviscerolipidosis, pseudo-Hurler disease, Type 1 GM1 gangliosidosis. ... (05 Mar 2000) ...

type 2 astrocyte
Synonym for astrocyte ... <pathology> A glial cell found in vertebrate brain, named for its characteristic star like shape. ... Astrocytes lend both mechanical and metabolic support for neurons, regulating the environment in which they function. ... See: oligodendrocytes. ... (18 Nov 1997) ...

type 2 dextrocardia
Synonym for isolated dextrocardia ... Dextrocardia with mirror transposition of the cardiac chambers but without displacement of the abdominal viscera. ... Synonym: type 2 dextrocardia. ... (05 Mar 2000) ...

type 2 diabetes
<endocrinology> Also referred to as adult-onset diabetes. More common in the middle-age, overweight individual. Usually treated by diet control, weight reduction or oral hypoglycemic agents. ... (27 Sep 1997) ...

type 2 glycogenosis
Glycogenosis due to lysosomal alpha-1,4-glucosidase deficiency, resulting in accumulation of excessive amounts of glycogen of normal chemical structure in heart, muscle, liver, and nervous system. ... Synonym: generalised glycogenosis, Pompe's disease. ... (05 Mar 2000) ...

type 3 dextrocardia
Synonym for corrected dextrocardia ... Displacement and rotation of the heart into the right side of the chest but without mirror transposition of the cardiac chambers. ... Synonym: dextroversion of the heart, false dextrocardia, type 3 dextrocardia. ... (05 Mar 2000) ...

type 3 glycogenosis
Glycogenosis due to amylo-1,6-glucosidase deficiency, resulting in accumulation of abnormal glycogen with short outer chains in liver and muscle. ... Synonym: Cori's disease, debranching deficiency limit dextrinosis, limit dextrinosis, Forbes' disease. ... (05 Mar 2000) ...

type 4 dextrocardia
Synonym for secondary dextrocardia ... Dextroposition of the heart by some disease of the lungs, pleura, or diaphragm. ... Synonym: type 4 dextrocardia. ... (05 Mar 2000) ...

type 4 glycogenosis
Familial cirrhosis of the liver with storage of abnormal glycogen; glycogenosis due to deficiency of 1,4-alpha-glucan branching enzyme, resulting in accumulation of abnormal glycogen with long inner and outer chains in liver, kidney, muscle, and other tissues. ... Synonym: Andersen's disease. ... (05 Mar 2000) ...

type 5 glycogenosis
Glycogenosis due to muscle glycogen phosphorylase deficiency, resulting in accumulation of glycogen of normal chemical structure in muscle. ... Synonym: McArdle's disease, McArdle's syndrome, McArdle-Schmid-Pearson disease, myophosphorylase deficiency glycogenosis. ... (05 Mar 2000) ...

type 6 glycogenosis
Glycogenosis due to hepatic glycogen phosphorylase deficiency, resulting in accumulation of glycogen of normal chemical structure in liver and leukocytes. ... Synonym: hepatophosphorylase deficiency glycogenosis, Hers' disease. ... (05 Mar 2000) ...

type 7 glycogenosis
Phosphofructokinase deficiency of muscle resulting in muscle cramps and myoglobinuria on extreme exertion. The clinical picture resembles type 5 glycogenosis. ... (05 Mar 2000) ...

type A behaviour
A behaviour pattern characterised by aggressiveness, ambitiousness, restlessness, and a strong sense of time urgency; associated with increased risk for coronary heart disease. ... (05 Mar 2000) ...

type a personality
Established behaviour pattern characterised by excessive drive and ambition, impatience, competitiveness, sense of time urgency, and poorly contained aggression. ... (12 Dec 1998) ...

type B behaviour
A behaviour pattern characterised by the absence or obverse of type A behaviour characteristics. ... (05 Mar 2000) ...

type culture
A type strain of microorganism preserved in a culture collection as the standard. ... (05 Mar 2000) ...

type genus
<zoology> The type of a taxon at the family group level - the nominal genus. ... (09 Jan 1998) ...

type horizon
<zoology> The geological stratum from which the name-bearing type of a nominal species or subspecies was collected. ... (09 Jan 1998) ...

type host
<zoology> The host species with which the name-bearing type of a nominal species or subspecies was associated. ... (09 Jan 1998) ...

type I acrocephalosyndactyly
Synonym for acrocephalosyndactyly ... <paediatrics> A usually inherited disorder characterised by premature closing of the cranial suture lines resulting in a peaked shaped head and abnormal facial appearance. ... Since it is usually autosomal dominant one or both parents also have the disorder. Surgery is used to correct skull and facial abnor …

type I cells
Synonym for squamous alveolar cells ... Highly attentuated squamous cell's that form the gas-permeable epithelium lining the alveoli of the lungs. ... Synonym: type I cells. ... (05 Mar 2000) ...

type I collagen
The most abundant collagen, which forms large well-organised fibrils having high tensile strength. ... (05 Mar 2000) ...

type I diabetes
Synonym for insulin-dependent diabetes mellitus ... A chronic condition in which the pancreas makes little or no insulin because the beta cells have been destroyed. The body is then not able to use the glucose (blood sugar) for energy. IDDM usually comes on abruptly, although the damage to the beta cells may begin much earlier. The signs of IDDM are …

type I diabetes mellitus
Synonym for juvenile diabetes ... <endocrinology> A severe metabolic disorder which has an abrupt onset before the age of twenty. In it, an insulin deficiency prevents the body from using carbohydrates properly and forces it to rely mainly on protein metabolism. ... Treatment of the disease includes strict dietary regulation and mandatory insul …

type I dip
Early deceleration of the foetal heart rate at the height of uterine contraction, as displayed on a foetal monitor graph. ... (05 Mar 2000) ...

type i error
The statistical error (said to be of the first kind or alpha error) made in testing an hypothesis when it is concluded that a treatment or intervention is effective when it really is not. Sometimes referred to as a false positive. ... (12 Dec 1998) ...

type I H-S mucopolysaccharidosis
Synonym for Hurler-Scheie syndrome ... <syndrome> Although clinically distinct diseases, fibroblasts from patients with Hurler syndrome and with Scheie syndrome do not cross complement in culture, suggesting that the enzyme defect is the same. ... (18 Nov 1997) ...

type I hyperlipoproteinaemia
<biochemistry> An rare inherited disorder where there is a deficiency of an enzyme (lipoprotein lipase) which breaks down fat molecules, causing the accumulation of fats or lipoproteins in the blood. ... Symptoms in infancy include abdominal pain (appears as if its colic), failure to thrive and skin lesions (xanthomas). ... Origin: Gr. Haima = …

type I interferon
Synonym for interferon type I ... <chemical> Interferon secreted by leukocytes, fibroblasts, or lymphoblasts in response to viruses or interferon inducers other than mitogens, antigens, or allo-antigens. They include alpha- and beta-interferons (interferon-alpha and interferon-beta). ... Pharmacological action: antineoplastic agent, antiviral a …

type I mortality
<epidemiology> A mortality schedule in which all hosts are assumed to live for a fixed number of years equal to the life expectancy. ... (05 Dec 1998) ...

type IH mucopolysaccharidosis
Synonym for Hurler's syndrome ... <syndrome> Mucopolysaccharidosis in which there is a deficiency of alpha-l-iduronidase, an accumulation of an abnormal intracellular material, and excretion of dermatan sulfate and heparan sulfate in the urine; with severe abnormality in development of skeletal cartilage and bone, with dwarfism, kyphosis, defo …

type II acrocephalosyndactyly
Synonym for Vogt cephalodactyly ... type II acrocephalosyndactyly ...

type II cells
Synonym for great alveolar cells ... Cuboidal cell's connected with the squamous pulmonary alveolar cell's and having in their cytoplasm lamellated bodies (cytosomes) that represent the source of the surfactant that coats the alveoli. ... Synonym: granular pneumonocytes, type II cells. ... (05 Mar 2000) ...

type II collagen
Collagen unique to cartilage, nucleus pulposis, notochord, and vitreous body; it forms as thin highly glycosylated fibrils. ... (05 Mar 2000) ...

type II diabetes
Synonym for non-insulin-dependent diabetes mellitus ... <disease> An often mild form of diabetes mellitus of gradual onset, usually in obese individuals over age 35; absolute plasma insulin levels are normal to high, but relatively low in relation to plasma glucose levels; ketoacidosis is rare, but hyperosmolar coma can occur; responds well to …

type II dip
Late deceleration of the foetal heart rate, 30 seconds or more after the height of uterine contraction, as displayed on a foetal monitor graph. ... (05 Mar 2000) ...

type II error
The statistical error (said to be of the second kind or beta error) made in testing an hypothesis when it is concluded that a treatment or intervention is not effective when it really is. Sometimes referred to as a false negative. ... (12 Dec 1998) ...