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mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197
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transverse part of nasalis muscle<anatomy> See: nasalis muscle. ... Synonym: pars transversa musculi nasalis. ... (05 Mar 2000) ...
transverse perineal ligament<anatomy> The thickened anterior border of the urogenital diaphragm, formed by the fusion of its two fascial layers. ... Synonym: ligamentum transversum perinei, Krause's ligament, ligamentum transversum pelvis, transverse ligament of pelvis, transverse ligament of perineum. ... (05 Mar 2000) ...
transverse planeA plane across the body at right angles to the coronal and sagittal plane's. ... Synonym: horizontal plane. ... (05 Mar 2000) ...
transverse pontine fibresFibres arising from the pontine nuclei, decussate and pass into the cerebellum as the middle cerebellar peduncles. ... Synonym: fibrae pontis transversae. ... (05 Mar 2000) ...
transverse presentationAn abnormal presentation, neither head nor breech, in which the foetus lies transversely in the uterus across the axis of the parturient canal. ... (05 Mar 2000) ...
transverse processA bony protrusion on either side of the arch of a vertebra, from the junction of the lamina and pedicle, which functions as a lever for attached muscles. ... Synonym: processus transversus. ... (05 Mar 2000) ...
transverse rectal foldsThe three or four crescentic folds placed horizontally in the rectal mucous membrane; the superior rectal fold is situated near the beginning of the rectum on the left side; the middle rectal fold (Nelaton's fold) is most prominent and consistent and projects from the right side about 8 cm above the anus (approximately the level of the floor of the …
transverse relaxationIn nuclear magnetic resonance, the rapid decay of the nuclear magnetization vector at right angles to the magnetic field after the 90° pulse is turned off; the signal is called free induction decay. ... See: T2. ... Compare: longitudinal relaxation. ... (05 Mar 2000) ...
transverse rhombencephalic flexureSynonym for pontine flexure ... The dorsally concave curvature of the rhombencephalon in the embryo; appearance indicates division of rhombencephalon into myelencephalon and metencephalon. ... Synonym: basicranial flexure, transverse rhombencephalic flexure. ... (05 Mar 2000) ...
transverse ridgeSynonym for crista transversalis ... A crest or ridge on the occlusal surface of a tooth formed by the union of two triangular crests. ... Synonym: transverse crest, transverse ridge. ... (05 Mar 2000) ...
transverse scapular arterySynonym for suprascapular artery ... <anatomy, artery> Origin, thyrocervical trunk; distribution, clavicle, scapula, muscles of shoulder, and shoulder joint; anastomoses, transverse cervical circumflex scapular. ... Synonym: arteria suprascapularis, transverse scapular artery. ... (05 Mar 2000) ...
transverse sectionA cross section obtained by slicing, actually or through imaging techniques, the body or any part of the body structure, in a horizontal plane, i.e., a plane which intersects the longitudinal axis at a right angle. Since actual sectioning in the transverse plane results in an inferior and a superior portion, an anatomical transverse section may be …
transverse septumThe mesodermal mass separating the pericardial and peritoneal cavities; it is covered with mesothelium except where intimately associated with the liver which originally develops within it; the septum is definitively incorporated into the diaphragm as the central tendon. ... (05 Mar 2000) ...
transverse sinusA paired dural venous sinus that drains the confluence of sinuses, running along the occipital attachment of the tentorium cerebelli and terminating in the sigmoid sinus. ... Synonym: sinus transversus, lateral sinus. ... Transverse pericardial sinus, a passage in the pericardial sac between the origins of the great vessels, i.e., posterior to the in …
transverse sinus of pericardiumtransverse pericardial sinus ...
transverse tarsal articulationSynonym for transverse tarsal joint ... The synovial joints between the talus and navicular bone medially and the calcaneus and navicular bones laterally which act as a unit in allowing the front of the foot to pivot relative to the back of the foot about the longitudinal axis of the foot, contributing to the total inversion and eversion movements.< …
transverse tarsal jointThe synovial joints between the talus and navicular bone medially and the calcaneus and navicular bones laterally which act as a unit in allowing the front of the foot to pivot relative to the back of the foot about the longitudinal axis of the foot, contributing to the total inversion and eversion movements. ... Synonym: articulatio tarsi transvers …
transverse temporal convolutionsSynonym for transverse temporal gyri ... Two or three convolutions running transversely on the upper surface of the temporal lobe bordering on the lateral (sylvian) fissure, separated from each other by the transverse temporal sulci. ... Synonym: gyri temporales transversi, Heschl's gyri, transverse temporal convolutions. ... (05 Mar 2000) ...
transverse temporal gyriTwo or three convolutions running transversely on the upper surface of the temporal lobe bordering on the lateral (sylvian) fissure, separated from each other by the transverse temporal sulci. ... Synonym: gyri temporales transversi, Heschl's gyri, transverse temporal convolutions. ... (05 Mar 2000) ...
transverse temporal sulciThe shallow sulci that demarcate the transverse temporal gyri on the opercular surface of the superior temporal gyrus. ... Synonym: sulci temporales transversi. ... (05 Mar 2000) ...
transverse tibiofibular ligament<anatomy> The distal continuation of the interosseous membrane forming a strong ligament that unites the distal end of the tibia and fibula; it lies deep to the posterior tibiofibular ligament. ... Synonym: interosseous tibiofibular ligament. ... (05 Mar 2000) ...
transverse tubuleSynonym for T tubule ... <cell biology> Invagination of the plasma membrane (sarcolemma) of striated muscle that lies between two tubular portions of the endoplasmic (sarcoplasmic) reticulum to form a triad of membrane profiles adjacent to the A band/I band junction in some cases, in other cases to the Z disc, of the resting sarcomere. Depolar …
transverse vein of faceSynonym for transverse facial vein ... <anatomy, vein> A tributary of the superficial temporal or retromandibular veins, anastomosing with the facial vein. ... Synonym: vena transversa faciei, transverse vein of face. ... (05 Mar 2000) ...
transverse vein of scapulaSynonym for suprascapular vein ... <anatomy, vein> Vein that accompanies the suprascapular artery and empties into the external jugular vein. ... Synonym: vena suprascapularis, transverse vein of scapula, vena transversa scapulae. ... (05 Mar 2000) ...
transverse veins of neckSynonym for transverse cervical veins ... Venae comitantes of the corresponding arteries, emptying into the external jugular vein or sometimes into the subclavian vein. ... Synonym: venae transversae colli, transverse veins of neck. ... (05 Mar 2000) ...
transverse velumA fold in the dorsal wall of the embryonic brain at the boundary between the telencephalon and diencephalon. ... Synonym: velum transversum. ... (05 Mar 2000) ...
transverse vesical foldA duplication of peritoneum passing over the empty bladder, but obliterated when the viscus is full. ... Synonym: plica vesicalis transversa. ... (05 Mar 2000) ...
transverse wave<radiobiology> Waves in which the direction of the oscillation is perpendicular (transverse) to the direction of the wave propagation. ... Examples include plucked strings and electromagnetic waves in free space or air. ... (09 Oct 1997) ...
transversectomy<procedure> Resection of the transverse process of a vertebra. ... Origin: transverse + G. Ektome, excision ... (05 Mar 2000) ...
transversion1. Substitution in DNA and RNA of a pyrimidine for a purine, or vice-versa, by mutation. ... 2. In dentistry, the eruption of a tooth in a position normally occupied by another; transposition of a tooth. ... (05 Mar 2000) ...
transversion mutationA point mutation involving base substitution in which the orientation of purine and pyrimidine is reversed, in contradistinction to transition mutation. ... (05 Mar 2000) ...
transversions<molecular biology> Point mutation in which a purine is substituted by a pyrimidine or vice versa. ... (19 Jan 1998) ...
transversocostalSynonym for costotransverse ... Relating to the ribs and the transverse processes of the vertebrae articulating with them. ... Synonym: transversocostal. ... (05 Mar 2000) ...
transversospinal muscleSynonym for transversospinalis muscle ... <anatomy> The group of muscles that originate from transverse processes of vertebrae and pass to spinous processes of higher vertebrae; they act as rotators and include the semispinalis (capitis, cervicis, thoracis), multifidus, and rotatores (cervicis, thoracis, lumborum) muscles. All are innervated b …
transversospinalis muscle<anatomy> The group of muscles that originate from transverse processes of vertebrae and pass to spinous processes of higher vertebrae; they act as rotators and include the semispinalis (capitis, cervicis, thoracis), multifidus, and rotatores (cervicis, thoracis, lumborum) muscles. All are innervated by dorsal primary rami of spinal nerves.
transversourethralis
Denoting the transverse fibres of the sphincter urethrae muscle, arising from the arch of the pubes. ... (05 Mar 2000) ...
transversovertical index
Synonym for vertical index ... The relation of the height to the length of the skull: (height × 100)/length. ... Synonym: height-length index, length-height index, transversovertical index. ... (05 Mar 2000) ...
transversus
Synonym: transverse. ... Origin: L. Fr. Trans, across, + verto, pp. Versus, to turn ... (05 Mar 2000) ...
transversus abdominis
<anatomy, muscle> Origin, seventh to twelfth costal cartilages, lumbar fascia, iliac crest, and inguinal ligament; insertion, xiphoid cartilage and linea alba and, through the conjoint tendon, pubic tubercle and pecten; action, compresses abdominal contents; nerve supply, lower thoracic. ... Synonym: musculus transversus abdominis, musculus tr …
transversus menti muscle
<anatomy> Inconstant fibres of the depressor anguli oris musculus continue into the neck and cross to the opposite side inferior to the chin. ... Synonym: musculus transversus menti, transverse muscle of chin. ... (05 Mar 2000) ...
transversus nuchae muscle
<anatomy> An occasional muscle passing between the tendons of the trapezius and sternocleidomastoid, possibly a fasciculus of the posterior auricular muscle. ... Synonym: musculus transversus nuchae, transverse muscle of nape. ... (05 Mar 2000) ...
transversus thoracis
<anatomy, muscle> Origin, dorsal surface of xiphoid cartilage and lower portion of dorsal surface of body of sternum; insertion, second to sixth costal cartilages; action, contributes to depression of ribs, narrowing chest; nerve supply, intercostal. ... Synonym: musculus transversus thoracis, musculus triangularis sterni, sternocostalis muscl …
transvestism
Dressing in the clothing of the opposite sex. Also called cross-dressing. The prefix trans- relates to the latin verb transire , meaning to pass or cross over, or pass beyond while the -vestism stems from vestitus meaning clothed. In centuries past, the catholic church forbade women from acting in the theater. Therefore, stage roles for females had …
transvestite
A person who dresses in the clothing of the opposite sex, i.e., a person who cross-dresses. ... (12 Dec 1998) ...
transvestitism
Synonym for transvestism ... Dressing in the clothing of the opposite sex. Also called cross-dressing. The prefix trans- relates to the latin verb transire , meaning to pass or cross over, or pass beyond while the -vestism stems from vestitus meaning clothed. In centuries past, the catholic church forbade women from acting in the theater. Therefore, …
Trantas, Alexios
<person> Greek ophthalmologist, 1867-1960. ... See: Trantas' dots, Horner-Trantas dots. ... (05 Mar 2000) ...
Trantas' dots
Pale, grayish red, uneven nodules of gelatinous aspect at the limbal conjunctiva in vernal conjunctivitis. ... (05 Mar 2000) ...
tranylcypromine
<drug> This non-hydrazine monoamine oxidase inhibitor is used to treat moderate-to-severe depression. ... (19 Jan 1998) ...
tranylcypromine sulfate
(+)-trans-2-Phenylcyclopropylamine sulfate;a monoamine oxidase inhibitor; an antidepressant used in the treatment of severe mental depression. ... (05 Mar 2000) ...
trap
<geology> An old term rather loosely used to designate various dark-coloured, heavy igneous rocks, including especially the feldspathic-augitic rocks, basalt, dolerite, amygdaloid, etc, but including also some kinds of diorite. Called also trap rock. Trap tufa, Trap tuff, a kind of fragmental rock made up of fragments and earthy materials fro …
trapdoor
1. A lifting or sliding door covering an opening in a roof or floor. ... 2. <chemical> A door in a level for regulating the ventilating current; called also weather door. ... <zoology> Trapdoor spider, any one of several species of large spiders which make a nest consisting of a vertical hole in the earth, lined with a hinged lid, like a …
trapezial
Relating to any trapezium. ... (05 Mar 2000) ...
trapeziform
Synonym for trapezoid ... 1. <geometry> A plane four-sided figure, having two sides parallel to each other. ... 2. <anatomy> A bone of the carpus at the base of the second metacarpal, or index finger. ... Origin: Gr. Trapezoid-shaped; table + shape, likeness: cf. F. Trapezoide. See Trapezium. ... 1. Having the form of a trapezoid; trapezoid …
trapeziometacarpal
Relating to the trapezium and the metacarpus. ... (05 Mar 2000) ...
trapezium
Origin: NL, fr. Gr. A little table, an irregular four-sided figure, dim. Of a table, for; (see Tetra-) + foot, akin to foot; hence, originally, a table with four feet. See Foot. ... 1. <geometry> A plane figure bounded by four right lines, of which no two are parallel. ... 2. <anatomy> A bone of the carpus at the base of the first metacar …
trapezium bone
Synonym for trapezium ... Origin: NL, fr. Gr. A little table, an irregular four-sided figure, dim. Of a table, for; (see Tetra-) + foot, akin to foot; hence, originally, a table with four feet. See Foot. ... 1. <geometry> A plane figure bounded by four right lines, of which no two are parallel. ... 2. <anatomy> A bone of the carpus at the …
trapezius
<anatomy, muscle> Origin, medial third of superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of seventh cervical and the thoracic vertebrae and corresponding supraspinous ligaments; insertion, lateral third of posterior surface of clavicle, anterior side of acromion, and upper and medial border of the …
trapezohedron
<chemistry> A solid bounded by twenty-four equal and similar trapeziums; a tetragonal trisoctahedron. See the Note under Trisoctahedron. ... A tetartohedral solid of the hexagonal system, bounded by six trapezoidal planes. The faces of this form are common on quartz crystals. ... Origin: NL, from trapezium + Gr. Seat, base, fr. To sit. ... Sourc …
trapezoid
1. <geometry> A plane four-sided figure, having two sides parallel to each other. ... 2. <anatomy> A bone of the carpus at the base of the second metacarpal, or index finger. ... Origin: Gr. Trapezoid-shaped; table + shape, likeness: cf. F. Trapezoide. See Trapezium. ... 1. Having the form of a trapezoid; trapezoidal; as, the trapezoid lig …
trapezoid body
A plate of transverse fibres running over the dorsal (deep) border of the pontine nuclei; it is formed by ascending auditory fibres that cross to the opposite side of the brainstem. ... Synonym: corpus trapezoideum, trapezoid. ... (05 Mar 2000) ...
trapezoid bone
A bone in the distal row of the carpus; it articulates with the second metacarpal, trapezium, capitate, and scaphoid. ... Synonym: os trapezoideum, lesser multangular bone, os multangulum minus, trapezoid. ... (05 Mar 2000) ...
trapezoid ligament
<anatomy> The lateral part of the coracoclavicular ligament that attaches to the trapezoid line of the clavicle. ... Synonym: ligamentum trapezoideum. ... (05 Mar 2000) ...
trapezoid line
The area on the inferior surface of the clavicle near its lateral extremity on which the trapezoid ligament attaches. ... Synonym: linea trapezoidea, trapezoid ridge. ... (05 Mar 2000) ...
trapezoid ridge
Synonym for trapezoid line ... The area on the inferior surface of the clavicle near its lateral extremity on which the trapezoid ligament attaches. ... Synonym: linea trapezoidea, trapezoid ridge. ... (05 Mar 2000) ...
trapidil
<chemical> N,n-diethyl-5-methyl-1,2,4-triazolo[1,5-a]pyrimidin-7-amine. A coronary vasodilator agent. ... Pharmacological action: platelet aggregation inhibitors, vasodilator agents. ... Chemical name: (1,2,4)Triazolo(1,5-a)pyrimidin-7-amine, N,N-diethyl-5-methyl- ... (12 Dec 1998) ...
Trapp
Julius, Russian pharmacist, 1815-1908. ... See: Trapp's formula, Trapp-Haser formula. ... (05 Mar 2000) ...
Trapp-Haser formula
Synonym for Haser's formula ... A formula to determine the number of grams of urinary solids per liter, obtained by multiplying 2.33 by the last two figures of the specific gravity of the urine. ... Synonym: Christison's formula, Trapp's formula, Trapp-Haser formula. ... (05 Mar 2000) ...
Trapp's formula
Synonym for Haser's formula ... A formula to determine the number of grams of urinary solids per liter, obtained by multiplying 2.33 by the last two figures of the specific gravity of the urine. ... Synonym: Christison's formula, Trapp's formula, Trapp-Haser formula. ... (05 Mar 2000) ...
trapped-particle instability
<radiobiology> Slowly-growing class of instabilities driven by particles which cannot circulate freely in a toroidal system. ... See: banana orbit. ... (09 Oct 1997) ...
trappist
A monk belonging to a branch of the Cistercian Order, which was established by Armand de Rance in 1660 at the monastery of La Trappe in Normandy. Extreme austerity characterises their discipline. They were introduced permanently into the United States in 1848, and have monasteries in Iowa and Kentucky. ... Origin: F. Trappiste. ... Source: Websters D …
trash
1. That which is worthless or useless; rubbish; refuse. 'Who steals my purse steals trash.' (Shak) 'A haunch of venison would be trash to a Brahmin.' (Landor) ... 2. Especially, loppings and leaves of trees, bruised sugar cane, or the like. ... In the West Indies, the decayed leaves and stems of canes are called field trash; the bruised or macerated …
trass
<geology> A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water. [Formerly written also tarras, tarrace, terras. ... The Dutch trass is made by burning and grinding a soft grayish roc …
Traube
Ludwig, German physician and pathologist, 1818-1876. ... See: Traube's bruit, Traube's corpuscle, Traube's dyspnea, Traube's plugs, Traube's semilunar space, Traube's sign, Traube's double tone, Traube-Hering curves, Traube-Hering waves. ... (05 Mar 2000) ...
Traube-Hering curves
Slow oscillations in blood pressure usually extending over several respiratory cycles; related to variations in vasomotor tone; rhythmical variations in blood pressure. ... Synonym: Traube-Hering waves. ... (05 Mar 2000) ...
Traube-Hering waves
Synonym for Traube-Hering curves ... Slow oscillations in blood pressure usually extending over several respiratory cycles; related to variations in vasomotor tone; rhythmical variations in blood pressure. ... Synonym: Traube-Hering waves. ... (05 Mar 2000) ...
Traube's bruit
Synonym for gallop ... A triple cadence to the heart sounds; due to an abnormal third or fourth heart sound being heard in addition to the first and second sounds, and usually indicative of serious disease. ... Synonym: bruit de galop, cantering rhythm, gallop rhythm, Traube's bruit. ... (05 Mar 2000) ...
Traube's corpuscle
Synonym for achromocyte ... A hypochromic, crescent-shaped erythrocyte, probably resulting from artifactual rupture of a red cell with loss of haemoglobin. ... Synonym: achromacyte, achromatocyte, ghost corpuscle, phantom corpuscle, Ponfick's shadow, shadow corpuscle, shadow, Traube's corpuscle. ... Origin: G. A-priv. + chroma, colour, + kytos, hollow …
Traube's double tone
A double sound heard on auscultation over the femoral vessels in cases of aortic and tricuspid insufficiency. ... (05 Mar 2000) ...
Traube's dyspnea
An obsolete eponym for inspiratory dyspnea with maximal expansion of the chest and a slow respiratory rhythm. ... (05 Mar 2000) ...
Traube's plugs
Synonym for Dittrich's plugs ... Minute, dirty-grayish, ill-smelling masses of bacteria and fatty acid crystals in the sputum in pulmonary gangrene and fetid bronchitis. ... Synonym: Traube's plugs. ... (05 Mar 2000) ...
Traube's semilunar space
A crescentic space about 12 cm wide, bounded medially by the left border of the sternum, above by an oblique line from the sixth costal cartilage to the lower border of the eighth or ninth rib in the mid-axillary line and below by the costal margin; the percussion tone here is normally tympanitic, because of the underlying stomach, but is modified …
Traube's sign
<clinical sign> A double sound or murmur heard in auscultation over arteries (particularly the femoral arteries) in significant aortic regurgitation. ... (05 Mar 2000) ...
Traugott
Carl, German internist, *1885. ... See: Staub-Traugott effect. ... (05 Mar 2000) ...
traum-
See: traumato-. ... (05 Mar 2000) ...
trauma
Injury. ... (16 Dec 1997) ...
trauma centres
Specialised hospital facilities which provide diagnostic and therapeutic services for trauma patients. ... (12 Dec 1998) ...
trauma severity indices
Systems for assessing, classifying, and coding injuries. These systems are used in medical records, surveillance systems, and state and national registries to aid in the collection and reporting of trauma. ... (12 Dec 1998) ...
traumasthenia
Nervous exhaustion following an injury. ... Origin: traum-+ G. Astheneia, weakness ... (05 Mar 2000) ...
traumata
Plural of trauma. ... (05 Mar 2000) ...
traumatic
<surgery> Of, relating to or resulting from a trauma, wound or injury, whether physical or psychological. ... Origin: L. Traumaticus from Gr. Traumaticos, from trauma = wound ... (18 Nov 1997) ...
traumatic amenorrhoea
Absence of menses because of endometrial scarring or cervical stenosis resulting from injury or disease. ... (05 Mar 2000) ...
traumatic amnesia
The loss or disturbance of memory following an insult or injury to the brain of the type that accompanies a head injury, or excessive use of alcohol, or following the cessation of alcohol ingestion or other psychoactive drugs; or loss or disturbance of memory of the type seen in hysteria and other forms of dissociative disorders. ... (05 Mar 2000)
traumatic amputation
Amputation resulting from accidental or nonsurgical injury; may be complete or incomplete. ... (05 Mar 2000) ...
traumatic anaemia
Synonym for posthemorrhagic anaemia ... An acute anaemia caused by fairly sudden and rapid loss of blood, as by traumatic laceration of a relatively large vessel, erosion of an artery in a duodenal ulcer, haemorrhage in an ectopic pregnancy, or the result of such diseases as haemophilia and acute leukaemia. ... Synonym: traumatic anaemia. ... (05 Mar …
traumatic anaesthesia
Loss of sensation resulting from nerve injury. ... (05 Mar 2000) ...
traumatic aneurysm
An aneurysm resulting from physical damage to the wall of an artery; usually a false aneurysm or arteriovenous aneurysm. ... (05 Mar 2000) ...
traumatic asphyxia
Cyanotic asphyxia due to trauma; the extravasation of blood into the skin and conjunctivae, produced by a sudden mechanical increase in venous pressure, analogous to the Rumpel-Leede test; it is common in those who have been hanged, and is seen occasionally in crush injuries. ... Synonym: pressure stasis. ... (05 Mar 2000) ...
traumatic bone cyst
Synonym for solitary bone cyst ... A unilocular cyst containing serous fluid and lined with a thin layer of connective tissue, occurring usually in the shaft of a long bone in a child. ... Synonym: idiopathic bone cavity, osteocystoma, simple bone cyst, traumatic bone cyst, unicameral bone cyst. ... (05 Mar 2000) ...
traumatic cataract
A cataract caused by contusion, rupture, or a foreign body. ... (05 Mar 2000) ...
traumatic dermatitis
Any dermatitis caused by an irritant substance or by a physical agent. ... (05 Mar 2000) ...
