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


transseptal orchiopexy
Synonym for Ombredanne operation ... A technique whereby the mobilised testis is brought down into the scrotum and through the scrotal septum, to be affixed to the tissues in the contralateral scrotal pouch. ... Synonym: transseptal orchiopexy. ... (05 Mar 2000) ...

transsexual
A person who desires or has achieved transsexualism (by having a sex change operation, etc.). A transsexual is different from a transvestite who is a person who masquerades by dressing in the clothing of the opposite sex (cross-dressing). See: transsexualism. ... (12 Dec 1998) ...

transsexual surgery
Procedures designed to alter a patient's external sexual characteristics so that they resemble those of the other sex. ... (05 Mar 2000) ...

transsexualism
Consistently strong desire to change ones anatomic sex and belong to the opposite sex, to change gender and do so by all available means (including surgery, hormonal treatment, dress, and lifestyle). Trans- is related to the latin verb transire , meaning to pass or cross over, or pass beyond. In transsexualism, one crosses over or passes beyond one …

transsphenoidal
Through or across the sphenoid bone. ... (05 Mar 2000) ...

transstadial transmission
Passage of a microbial parasite, such as a virus or rickettsia, from one developmental stage (stadium) of the host to its subsequent stage or stages, particularly as seen in mites. ... See: transovarial transmission. ... (05 Mar 2000) ...

transsulfurase
Descriptive term applied to the enzymes catalyzing, among others, the following reactions involving sulfur-containing compounds: 1) cystathionine → cysteine + alpha-ketobutyrate + NH3 (cystathionine gamma-lyase); 2) cystathionine → homocysteine + pyruvate + NH3 (cystathionine beta-lyase); 3) cystine → thiocysteine + pyruv …

transsulfuration
The exchange of sulfur, or sulfur, containing moiety, between two different compounds. ... (05 Mar 2000) ...

transsynaptic
Indicating transmission of a nerve impulse across a synapse. ... (05 Mar 2000) ...

transsynaptic chromatolysis
Synonym for transsynaptic degeneration ... An atrophy of nerve cells following damage to the axons that make synaptic connection with them; noted especially in the lateral geniculate body. ... Synonym: transneuronal atrophy, transsynaptic chromatolysis. ... (05 Mar 2000) ...

transsynaptic degeneration
An atrophy of nerve cells following damage to the axons that make synaptic connection with them; noted especially in the lateral geniculate body. ... Synonym: transneuronal atrophy, transsynaptic chromatolysis. ... (05 Mar 2000) ...

transtentorial
Passing across or through either the tentorial notch or tentorium cerebelli. ... (05 Mar 2000) ...

transtentorial herniation
<neurology> A condition that occurs when the brain is under abnormally increased pressure. ... The increased intracranial pressure forces the brain downward inside the skull. This results in typical neurologic manifestations (coma, paralysis and a unilateral dilated pupil). May occur secondary to head injury, primary or metastatic brain tumour …

transthalamic
Passing across the thalamus. ... (05 Mar 2000) ...

transthermia
Synonym: diathermy. ... Origin: trans-+ G. Therme, heat ... (05 Mar 2000) ...

transthoracic
Passing through the thoracic cavity. ... (05 Mar 2000) ...

transthoracic oesophagectomy
<procedure> Resection of the oesophagus through a thoracotomy incision. ... (05 Mar 2000) ...

transthoracic pacemaker
Artificial pacemaker delivering stimuli through the chest wall usually applied as a temporizing measure in patients with atrioventricular block. ... (05 Mar 2000) ...

transthoracic pressure
The pressure in the pleural space measured relative to the pressure of the ambient atmosphere outside the chest; the transmural pressure across the chest wall. ... (05 Mar 2000) ...

transthoracotomy
<procedure> A surgical procedure carried out through an incision into the chest wall. ... Origin: trans-+ thorax + G. Tome, incision ... (05 Mar 2000) ...

transthyretin
<protein> Is a pre albumin plasma protein (4.5 mM in plasma) that transports thyroxine. ... Tetrameric with 4 identical 127 residue subunits. Transthyretin forms a complex under physiological conditions with retinol binding protein (2mM in plasma) so that retinol binding protein is not lost by filtration in the kidney. ... (19 Jan 1998) ...

transubstantiate
1. To change into another substance. 'The spider love which transubstantiates all, And can convert manna to gall.' (Donne) ... 2. To change, as the sacramental elements, bread and wine, into the flesh and blood of Christ. ... Origin: LL. Transubstantiatus, p. P. Of transubstantiare to transubstantiate; L. Trans across, over + substantia substance. Se …

transudate
<physiology> A transudate is a plasma derived fluid substance which has passed through a membrane or been extruded from a tissue, sometimes as a result of inflammation. ... The fluid accumulates in tissue and causes oedema and is the result of increased venous and capillary pressure, rather than altered vascular permeability (which leads to ce …

transudation
1. Passage of a fluid or solute through a membrane by a hydrostatic or osmotic pressure gradient. ... Synonym: transudate. ... (05 Mar 2000) ...

transulfurase
Synonym for transsulfurase ... Descriptive term applied to the enzymes catalyzing, among others, the following reactions involving sulfur-containing compounds: 1) cystathionine &rarr; cysteine + alpha-ketobutyrate + NH3 (cystathionine gamma-lyase); 2) cystathionine &rarr; homocysteine + pyruvate + NH3 (cystathionine beta-lyase); 3) cystine & …

transureteroureteral anastomosis
Synonym for transureteroureterostomy ... <procedure> Anastomosis of the transsected end of one ureter into the intact contralateral ureter, by direct or elliptical end-to-side technique. ... See: ureteroureterostomy. ... Synonym: transureteroureteral anastomosis. ... Acronym: TUU ... (05 Mar 2000) ...

transureteroureterostomy
<procedure> Anastomosis of the transsected end of one ureter into the intact contralateral ureter, by direct or elliptical end-to-side technique. ... See: ureteroureterostomy. ... Synonym: transureteroureteral anastomosis. ... Acronym: TUU ... (05 Mar 2000) ...

transurethral
<urology> Performed through the urethra. ... (19 Jan 1998) ...

transurethral prostatectomy
<procedure, surgery> The surgical removal of the prostate gland. Transurethral prostatectomy, is performed through the urethral canal of the penis. ... Acronym: TURP ... (19 Jan 1998) ...

transurethral resection
Surgery performed with a special instrument inserted through the urethra. Also called tur. ... (12 Dec 1998) ...

transurethral resection syndrome
<syndrome> Absorption of glycine from irrigation solution during TUR that the liver cannot metabolise, resulting in increased serum ammonia. ... Synonym: TUR syndrome. ... (05 Mar 2000) ...

transvaalin
scillaren A ...

transvaginal
Across or through the vagina. ... (05 Mar 2000) ...

transvaginal ultrasound
Sound waves sent out by a probe inserted in the vagina. The waves bounce off the ovaries, and a computer uses the echoes to create a picture called a sonogram. Also called tvs. ... (12 Dec 1998) ...

transvector
An animal that transmits a toxic substance that it does not produce, but that may be accumulated from animal (dinoflagellate) or plant (algae) sources; e.g., filter-feeding mollusks. ... (05 Mar 2000) ...

transvenous
<anatomy> Through a vein or through the venous system, as in the passage of a device or catheter through a vein for diagnostic or therapeutic purposes. ... (19 Jan 1998) ...

transversalis
Transverse, denotes especially a fascia. ... Synonym: transverse, transverse. ... Origin: L. ... (05 Mar 2000) ...

transversalis fascia
The lining fascia of the abdominal cavity, between the inner surface of the abdominal musculature and the peritoneum. ... Synonym: fascia transversalis. ... (05 Mar 2000) ...

transverse
Lying or being across, or in a crosswise direction; athwart; often opposed to longitudinal. ... <geometry> Transverse axis (of an ellipse or hyperbola), that axis which passes through the foci. ... <botany> Transverse partition, a partition, as of a pericarp, at right angles with the valves, as in the siliques of mustard. ... Origin: L. Tr …

transverse abdominal incision
An abdominal incision that is placed perpendicular to the axis of the rectus muscles of the abdomen. ... (05 Mar 2000) ...

transverse amputation
Amputation in which the line of section through the extremity is at right angles to the long axis. ... (05 Mar 2000) ...

transverse anthelicine groove
A deep groove on the cranial surface of the auricle separating the eminences of the triangular fossa and of the concha. ... Synonym: sulcus anthelicis transversus. ... (05 Mar 2000) ...

transverse arch of foot
The arch formed by the proximal parts of the metatarsal bones, the three cuneiform bones, and the cuboid. ... Synonym: arcus pedis transversalis. ... (05 Mar 2000) ...

transverse artery of neck
Synonym for transverse cervical artery ... <anatomy, artery> Origin, thyrocervical trunk; branches, superficial (superficial cervical) and deep (descending scapular). ... Synonym: arteria transversa cervicis, arteria transversa colli, transverse artery of neck. ... (05 Mar 2000) ...

transverse arytenoid muscle
<anatomy> A band of muscular fibres passing between the two arytenoid cartilages posteriorly; action, narrows the intercartilaginous portion of the rima glottidis; nerve supply, recurrent laryngeal. ... Synonym: musculus arytenoideus transversus, arytenoideus. ... (05 Mar 2000) ...

transverse atlantal ligament
Synonym for transverse ligament of the atlas ... Thick, strong, centrally flattened band spanning the vertebral foramen of the atlas as it extends from the medial aspect of one lateral mass to the other, passing dorsal to the dens with which it articulates; it forms the dorsal portion of the opening for the dens, tightly embracing its neck. It forms …

transverse auricular muscle
<anatomy> A band of sparse muscular fibres on the cranial surface of the auricle, extending from the eminence of the concha to the eminence of the scapha. ... Synonym: musculus transversus auriculae, transverse muscle of auricle. ... (05 Mar 2000) ...

transverse branches
Branches which run transversly. Nomina Anatomica lists transverse branches of 1) lateral femoral circumflex artery (ramus transversus arteriae circumflexae femoris lateralis ); and 2) medial femoral circumflex artery (ramus transversus arteriae circumflexae femoris medialis ). ... Synonym: ramus transversus. ... (05 Mar 2000) ...

transverse carpal ligament
<anatomy> A strong fibrous band crossing the front of the carpus and binding down the flexor tendons of the digits and the flexor carpi radialis tendon and the median nerve; in so doing it creates the carpal tunnel. ... Synonym: retinaculum flexorum, deep part of flexor retinaculum, flexor retinaculum, ligamentum carpi transversum, ligamentum …

transverse cervical artery
<anatomy, artery> Origin, thyrocervical trunk; branches, superficial (superficial cervical) and deep (descending scapular). ... Synonym: arteria transversa cervicis, arteria transversa colli, transverse artery of neck. ... (05 Mar 2000) ...

transverse cervical nerve
<anatomy, nerve> A branch of the cervical plexus that supplies the skin over the anterior triangle of the neck. ... Synonym: nervus transversus colli, cutaneous cervical nerve, nervus cervicalis superficialis, superficial cervical nerve, transverse nerve of neck. ... (05 Mar 2000) ...

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 colon
<anatomy> The third division of the colon (large intestine). ... It communicates with the ascending colon in the upper right-hand quadrant of the abdomen and the descending colon in the upper left-hand quadrant. ... (19 Jan 1998) ...

transverse costal facet
A facet on the transverse process of a vertebra for articulation with the tubercle of a rib. ... Synonym: fovea costalis processus transversi, costal pit of transverse process. ... (05 Mar 2000) ...

transverse crest
Synonym for transverse crest of internal acoustic meatus ... A horizontal ridge that divides the fundus of the internal acoustic meatus into a superior and an inferior area. In the former are the introitus of the facial canal and openings for the branches of the vestibular nerve to the utricle and to the ampullae of the anterior and lateral semicirc …

transverse crural ligament
Synonym for superior extensor retinaculum ... The ligament that binds down the extensor tendons proximal to the ankle joint; it is continuous with (a thickening of) the deep fascia of the leg. ... Synonym: retinaculum musculorum extensorum superius, ligamentum transversum cruris, superior retinaculum of extensor muscles, transverse crural ligament, t …

transverse diameter
The transverse diameter of the pelvic inlet, measured between the terminal lines. ... Synonym: diameter transversa. ... (05 Mar 2000) ...

transverse disk
One of the dark transverse bands seen on examining a striated muscular fibre under the microscope. ... (05 Mar 2000) ...

transverse ductules of epoophoron
A series of 10 to 15 short tubules that open into the longitudinal duct of the epoophoron and represent vestiges of the mesonephric duct. ... Synonym: ductuli transversi epoophori, tubuli epoophori. ... (05 Mar 2000) ...

transverse facial artery
<anatomy, artery> Origin, superficial temporal; distribution, parotid gland, parotid duct, masseter muscle, and overlying skin; anastomoses, infraorbital and buccal branches of maxillary, and buccal and masseteric branches of facial. ... Synonym: arteria transversa faciei. ... (05 Mar 2000) ...

transverse facial fracture
Synonym for craniofacial dysjunction fracture ... A complex fracture in which the facial bones are separated from the cranial bones. ... Synonym: Le Fort III craniofacial dysjunction, Le Fort III fracture, transverse facial fracture. ... (05 Mar 2000) ...

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 fasciculi
Synonym for fasciculi transversi ... The transversely directed fibres in the distal portions of the palmar and plantar aponeuroses. ... Synonym: transverse fasciculi. ... (05 Mar 2000) ...

transverse fissure of cerebellum
The cleft caused by the protrusion of the anterior lobe of the cerebellum over the superior and middle cerebellar peduncles. ... Synonym: fissura transversa cerebelli. ... (05 Mar 2000) ...

transverse fissure of cerebrum
The triangular space between the corpus callosum and fornix above and the dorsal surface of the thalamus below, which is bounded laterally by the choroid fissure of the lateral ventricle, lined by pia mater, and opens caudally into the cistern of the great cerebral vein of the subarachnoid space. ... Synonym: fissura transversa cerebri. ... (05 Mar 2 …

transverse fissure of the lung
The deep fissure that separates the upper and middle lobes of the right lung. ... Synonym: fissura horizontalis pulmonis dextri, horizontal fissure of right lung, minor fissure. ... (05 Mar 2000) ...

transverse foramen
Foramen processus transversus. ... Synonym: foramen processus transversi, foramen transversarium, foramen vertebroarterialis, foramen of transverse process, vertebroarterial foramen. ... (05 Mar 2000) ...

transverse fornix
Synonym for commissura fornicis ... The triangular subcallosal plate of commissural fibres resulting from the converging of the right and left fornix bundles which exchange numerous fibres and which curve back in the contralateral fornix to end in the hippocampus of the opposite side. ... Synonym: commissura hippocampi, commissure of fornix, delta fo …

transverse fracture
A fracture the line of which forms a right angle with the axis of the bone. ... (05 Mar 2000) ...

transverse genicular ligament
Synonym for transverse ligament of knee ... A transverse band that passes between the lateral and medial menisci in the anterior part of the knee joint. ... Synonym: ligamentum transversum genus, transverse genicular ligament. ... (05 Mar 2000) ...

transverse head
Head of origin of a muscle which is transversely situated. Nomina Anatomica lists transverse heads (caput transversum...) of the following: 1) adductor hallucis muscle (... Musculi adductoris hallucis ); 2) adductor pollicis muscle (... Musculi adductoris pollicis ). ... Synonym: caput transversum. ... (05 Mar 2000) ...

transverse hermaphroditism
Pseudohermaphroditism in which the external genitalia are characteristic of one sex and the gonads are characteristic of the other sex. ... (05 Mar 2000) ...

transverse horizontal axis
An imaginary line around which the mandible may rotate through the horizontal plane. ... Synonym: hinge axis, mandibular axis. ... (05 Mar 2000) ...

transverse humeral ligament
<anatomy> A fibrous band running more or less obliquely from the greater to the lesser tuberosity of the humerus, bridging over the bicipital groove. ... Synonym: Brodie's ligament. ... (05 Mar 2000) ...

transverse lie
That relationship in which the long axis of the foetus is transverse or at right angles to that of the mother. ... (05 Mar 2000) ...

transverse ligament of acetabulum
Portion of the acetabular labrum that passes across the acetabular notch. ... Synonym: ligamentum transversum acetabuli. ... (05 Mar 2000) ...

transverse ligament of elbow
A bundle of fibres running from the olecranon to the coronoid process in association with the ulnar collateral ligament. ... Synonym: Cooper's ligaments. ... (05 Mar 2000) ...

transverse ligament of knee
A transverse band that passes between the lateral and medial menisci in the anterior part of the knee joint. ... Synonym: ligamentum transversum genus, transverse genicular ligament. ... (05 Mar 2000) ...

transverse ligament of leg
Synonym for superior extensor retinaculum ... The ligament that binds down the extensor tendons proximal to the ankle joint; it is continuous with (a thickening of) the deep fascia of the leg. ... Synonym: retinaculum musculorum extensorum superius, ligamentum transversum cruris, superior retinaculum of extensor muscles, transverse crural ligament, t …

transverse ligament of pelvis
Synonym for 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 ligament of perineum
Synonym for 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 ligament of the atlas
Thick, strong, centrally flattened band spanning the vertebral foramen of the atlas as it extends from the medial aspect of one lateral mass to the other, passing dorsal to the dens with which it articulates; it forms the dorsal portion of the opening for the dens, tightly embracing its neck. It forms a part of the 'cross-bar' of the cruciform liga …

transverse lines of sacrum
One of four ridges that cross the pelvic surface of the sacrum; these mark the positions of the intervertebral disks between the bodies of the five sacral vertebrae in the immature bone. ... Synonym: lineae transversa ossi sacri. ... (05 Mar 2000) ...

transverse metacarpal ligament
Synonym for deep transverse metacarpal ligament ... <anatomy> The ligament that interconnects the palmar surface of the heads of the second to fifth metacarpals, being continuous with the palmar ligaments on palmar plates; it lies in the plane of the palmar interosseous fascia. ... Synonym: ligamentum metacarpale transversum profundum, transver …

transverse metatarsal ligament
Synonym for deep transverse metatarsal ligament ... <anatomy> The ligament that interconnects the plantar surface of the heads of the metatarsals, being continuous with the plantar ligaments. ... Synonym: ligamentum metatarsale transversum profundum, transverse metatarsal ligament. ... (05 Mar 2000) ...

transverse muscle of abdomen
Synonym for 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: muscul …

transverse muscle of auricle
Synonym for transverse auricular muscle ... <anatomy> A band of sparse muscular fibres on the cranial surface of the auricle, extending from the eminence of the concha to the eminence of the scapha. ... Synonym: musculus transversus auriculae, transverse muscle of auricle. ... (05 Mar 2000) ...

transverse muscle of chin
Synonym for 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) ...

transverse muscle of nape
Synonym for 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) ...

transverse muscle of thorax
Synonym for 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 trian …

transverse muscle of tongue
An intrinsic muscle of the tongue, the fibres of which arise from the septum and radiate to the dorsum and sides; action, decreases lateral dimension of the tongue; nerve supply, hypoglossal for motor, lingual for sensory. ... Synonym: musculus transversus linguae. ... (05 Mar 2000) ...

transverse myelitis
An inflammatory process involving both gray and white matter of spinal cord. ... (05 Mar 2000) ...

transverse nasal groove
Synonym for stria nasi transversa ... A single deep horizontal groove at the level of the alae, with no associated defects. ... Synonym: transverse nasal groove. ... (05 Mar 2000) ...

transverse nerve of neck
Synonym for transverse cervical nerve ... <anatomy, nerve> A branch of the cervical plexus that supplies the skin over the anterior triangle of the neck. ... Synonym: nervus transversus colli, cutaneous cervical nerve, nervus cervicalis superficialis, superficial cervical nerve, transverse nerve of neck. ... (05 Mar 2000) ...

transverse occipital sulcus
The posterior, vertical limb of the intraparietal sulcus. ... Synonym: sulcus occipitalis transversus. ... (05 Mar 2000) ...

transverse oval pelvis
Synonym for brachypellic pelvis ... A pelvis in which the transverse diameter is more than 1 cm longer but less than 3 cm longer than the anteroposterior diameter. ... Synonym: transverse oval pelvis. ... (05 Mar 2000) ...

transverse palatine fold
A masticatory vestige on the hard palate; one of several irregular, sometimes branching, crests of soft tissue that radiate from the region of the incisive papillae at their most anterior parts and extend a slight distance backward, crossing the hard palate and reaching laterally for variable distances. ... Synonym: plica palatina transversa, ruga p …

transverse palatine ridge
Synonym for transverse palatine fold ... A masticatory vestige on the hard palate; one of several irregular, sometimes branching, crests of soft tissue that radiate from the region of the incisive papillae at their most anterior parts and extend a slight distance backward, crossing the hard palate and reaching laterally for variable distances. ... Sy …

transverse palatine suture
Line of union of the palatine processes of the maxillae with the horizontal plates of the palatine bones. ... Synonym: sutura palatina transversa. ... (05 Mar 2000) ...

transverse pancreatic artery
Synonym for inferior pancreatic artery ... <anatomy, artery> Origin, dorsal pancreatic; distribution, body and tail of pancreas; anastomoses, great pancreatic artery. ... Synonym: arteria pancreatica inferior, transverse pancreatic artery. ... (05 Mar 2000) ...