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

teeth
Synonym for tooth ... Pl> Teeth . [OE. Toth,tooth, AS. T; akin to OFries. Tth, OS. & D. Tand, OHG. Zang, zan, G. Zahn, Icel. Tnn, Sw. & Dan. Tand, Goth. Tumpus, Lith. Dantis, W. Dant, L. Dens, dentis, Gr, Skr. Danta; probably originally the p. Pr. Of the verb to eat. 239. Cf. Eat, Dandelion, Dent the tooth of a wheel, Dental, Dentist, Ind …

teething
Eruption or 'cutting' of the teeth, especially of the deciduous teeth. ... Synonym: odontiasis. ... (05 Mar 2000) ...

teflurane
2-Bromo-1,1,1,2-tetrafluoroethane;a nonexplosive and nonflammable inhalation anaesthetic of moderate potency. ... (05 Mar 2000) ...

tegafur
<chemical> 5-fluoro-1-(tetrahydro-2-furanyl)-2,4-(1h,3h)-pyrimidinedione. Congener of fluorouracil with comparable antineoplastic action. It has been suggested especially for the treatment of breast neoplasms. ... Pharmacological action: antimetabolites, antineoplastic. ... Chemical name: 2,4(1H,3H)-Pyrimidinedione, 5-fluoro-1-(tetrahydro-2-fur …

tegmen cruris
Old term for tegmentum mesencephali. ... (05 Mar 2000) ...

tegmen mastoideum
The lamina of bone roofing over the mastoid cells. ... (05 Mar 2000) ...

tegmen tympani
The roof of the middle ear, formed by the thinned anterior surface of the petrous portion of the temporal bone. Its anterior edge is inserted into the petrosquamous fissure so that it can be seen as a wedge of bone subdividing that fissure into a squamo tympanic and a petrotympanic fissure. ... Synonym: roof of tympanum. ... (05 Mar 2000) ...

tegmen ventriculi quarti
Roof of fourth ventricle, formed in its upper part by the superior medullary velum stretching between the two brachia conjunctiva (superior cerebellar peduncles), in its lower part by the inferior medullary velum composed of the choroid membrane and choroid plexus of the fourth ventricle. ... Synonym: roof of fourth ventricle. ... (05 Mar 2000) ...

tegmental fields of Forel
Synonym for fields of Forel ... Three circumscript, myelin-rich regions of the subthalamus known as H fields (from Haubenfelder); 1) field H1, corresponding to the thalamic fasciculus, a horizontal fibre stratum at the junction of the subthalamus and the overlying thalamus, is composed of pallidothalamic and cerebellothalamic fibres (brachium conjun …

tegmental nuclei
Collective term for two small round cell groups in the caudal part of the midbrain (caudal pontine tegmental nucleus, nucleus tegmenti pontis caudalis and oral pontine tegmental nucleus, nucleus tegmenti pontis oralis), associated with the mamillary body by way of the mamillary peduncle and mamillotegmental tract. ... Synonym: nuclei tegmenti, Gudde …

tegmental syndrome
<syndrome> A syndrome usually caused by a vascular lesion in the tegmentum; marked by contralateral hemiplegia and ipsilateral ocular paresis. ... (05 Mar 2000) ...

tegmental wall of middle ear
Synonym for roof of tympanic cavity ... The superior wall, or roof, of the tympanic cavity, formed by the tegmen tympani of the temporal bone. ... Synonym: paries tegmentalis cavi tympani, tegmental wall of middle ear. ... (05 Mar 2000) ...

tegmentotomy
Production of lesions in the reticular formation of the midbrain tegmentum. ... Origin: tegmentum + G. Tome, incision ... (05 Mar 2000) ...

tegmentum mesencephali
Synonym for mesencephalic tegmentum ... That major part of the substance of the mesencephalon or midbrain that extends from the substantia nigra to the level of the cerebral aqueduct. ... Synonym: tegmentum mesencephali, tegmentum, midbrain tegmentum. ... (05 Mar 2000) ...

tegmentum of pons
Synonym for dorsal part of pons ... The part of the pons bounded laterally by the middle cerebellar peduncles and anteriorly by the ventral part of pons; it is continuous with the tegmentum of the mesencephalon and contains long tracts such as the medial and lateral lemnisci, cranial nerve nuclei, and reticular formation. ... Synonym: pars dorsalis p …

tegmentum of rhombencephalon
Synonym for rhombencephalic tegmentum ... The portion of the pons continuous with the mesencephalic tegmentum; it consists of reticular formation, tracts, and cranial nerve nuclei, and forms the dorsal part of the pons (pars dorsalis pontis). ... Synonym: tegmentum rhombencephali, tegmentum of rhombencephalon. ... (05 Mar 2000) ...

tegmentum rhombencephali
Synonym for rhombencephalic tegmentum ... The portion of the pons continuous with the mesencephalic tegmentum; it consists of reticular formation, tracts, and cranial nerve nuclei, and forms the dorsal part of the pons (pars dorsalis pontis). ... Synonym: tegmentum rhombencephali, tegmentum of rhombencephalon. ... (05 Mar 2000) ...

tegretol
Carbamazine. A medication given to control seizures, also used for pain relief in patients who have trigeminal neuralgia. ... (16 Dec 1997) ...

tegumental
Tegumentary ... Relating to the integument. ... (05 Mar 2000) ...

Teichmann
Ludwig, German histologist, 1823-1895. ... See: Teichmann's crystals. ... (05 Mar 2000) ...

Teichmann's crystals
Rhombic crystals of hemin; used in microscopic detection of blood. ... See: hemin. ... Synonym: chlorohemin crystals. ... (05 Mar 2000) ...

teichoic acid
<biochemistry> Acidic polymers (glycerol or ribitol linked by phosphodiester bridges) found in cell wall of gram-positive bacteria. May constitute 10-50% of wall dry weight and are cross linked to peptidoglycan. Related to lipoteichoic acids. ... (18 Nov 1997) ...

teichoic acids
Bacterial polysaccharides that are rich in phosphodiester linkages. They are the major components of the cell walls and membranes of many bacteria. ... (12 Dec 1998) ...

teichopsia
The jagged, shimmering visual sensation resembling the fortifications of a walled medieval town; the scintillating scotoma of migraine. ... Origin: G. Teichos, wall, + opsis, vision ... (05 Mar 2000) ...

teicoplanin
<chemical> Glycopeptide antibiotic complex from actinoplanes teichomyceticus active against gram-positive bacteria. It consists of five major components each with a different fatty acid moiety. ... Pharmacological action: antibiotics, glycopeptide. ... Chemical name: Teicoplanin ... (12 Dec 1998) ...

tektins
<cell biology> Family of filamentous proteins (A, 55 kD, B, 51 kD, C, 47 kD) associated with some microtubules in ciliary and flagellar axonemes. Have homology with some intermediate filament proteins (keratins and lamins). ... (18 Nov 1997) ...

tela
1. Any thin weblike structure. ... 2. A tissue; especially one of delicate formation. ... Origin: L. A web ... (05 Mar 2000) ...

tela choroidea
That portion of the pia mater that covers the ependymal roof or, in the case of the lateral ventricle, medial wall of a cerebral ventricle. ... (05 Mar 2000) ...

tela choroidea inferior
Synonym for choroid tela of fourth ventricle ... The sheet of pia mater covering the lower part of the ependymal roof of the fourth ventricle. ... Synonym: tela choroidea ventriculi quarti, tela choroidea inferior. ... (05 Mar 2000) ...

tela choroidea superior
Synonym for choroid tela of third ventricle ... A double fold of pia mater, enclosing subarachnoid trabeculae, between the fornix above and the epithelial roof of the third ventricle and the thalami below; at each lateral margin is a vascular fringe projecting into the choroidal fissure of the lateral ventricle; on its undersurface are several small …

tela choroidea ventriculi quarti
Synonym for choroid tela of fourth ventricle ... The sheet of pia mater covering the lower part of the ependymal roof of the fourth ventricle. ... Synonym: tela choroidea ventriculi quarti, tela choroidea inferior. ... (05 Mar 2000) ...

tela choroidea ventriculi tertii
Synonym for choroid tela of third ventricle ... A double fold of pia mater, enclosing subarachnoid trabeculae, between the fornix above and the epithelial roof of the third ventricle and the thalami below; at each lateral margin is a vascular fringe projecting into the choroidal fissure of the lateral ventricle; on its undersurface are several small …

tela conjunctiva
Synonym for connective tissue ... <pathology> Rather general term for mesodermally derived tissue that may be more or less specialised. Cartilage and bone are specialised connective tissue, as is blood, but the term is probably better reserved for the less specialised tissue that is rich in extracellular matrix (collagen, proteoglycan etc.) an …

tela elastica
Synonym for elastic tissue ... A form of connective tissue in which the elastic fibres predominate; it constitutes the ligamenta flava of the vertebrae and the ligamentum nuchae, especially of quadrupeds; it occurs also in the walls of the arteries and of the bronchial tree, and connects the cartilages of the larynx. ... Synonym: elastica, tela elast …

tela subcutanea
Synonym for superficial fascia ... A loose fibrous envelope beneath the skin, containing fat in its meshes (panniculus adiposus) or fasciculi of muscular tissue (panniculus carnosus); it contains the cutaneous vessels and nerves and is in relation by its undersurface with the deep fascia. ... Synonym: fascia superficialis, tela subcutanea, hypoderm, …

tela submucosa
Synonym for submucosa ... A layer of tissue beneath a mucous membrane. The layer of connective tissue beneath the tunica mucosa. ... Synonym: tela submucosa, tunica submucosa. ... (05 Mar 2000) ...

tela submucosa pharyngis
Synonym for pharyngobasilar fascia ... The fibrous coat of the pharyngeal wall situated between the mucous and muscular coats; it is attached above to the basilar part of the occipital bone, and the petrous part of the temporal bone. This layer and the mucosa which lines it forms the wall of the non-muscular pharynx (pharyngeal vault) above the supe …

tela subserosa
Synonym for subserous layer ... The layer of connective tissue beneath a serous membrane such as that of the periconeum or pericardium. ... Synonym: tela subserosa. ... (05 Mar 2000) ...

tela vasculosa
Synonym for choroid plexus ... <radiology> Formed by the invagination of ependyma into ventricles CP of lateral and third ventricles are continuous, extends posteriorly to temporal horn, 3rd and two lateral ventricles continuous at interventricular foramen CP of fourth ventricle is seperate, shape of a T, vertical limb extends from near Magend …

Teladorsagia davtiani
One of the medium stomach worm species (family Trichostrongylidae) of sheep, goats, and deer occurring in the abomasum; it is similar to Ostertagia trifurcata. ... Origin: tele-+ L. Dorsum, back ... (05 Mar 2000) ...

telalgia
Synonym: referred pain. ... Origin: G. Tele, distant, + algos, pain ... (05 Mar 2000) ...

telangiectasia
<clinical sign> A permanent dilation of preexisting blood vessels (capillaries, arterioles, venules), creating small focal red lesions, usually in the skin or mucous membranes. Also called telangiectasis. ... (16 Dec 1997) ...

telangiectasia lymphatica
Synonym for lymphangiectasis ... Dilatation of the lymphatic vessels. ... (12 Dec 1998) ...

telangiectasia verrucosa
Synonym for angiokeratoma ... A discrete, pink to red telangiectasia having a tendency to undergo secondary epithelial changes, including acanthosis and hyperkeratosis. An underlying vascular abnormality is present in many cases. The term angiokeratoma is applied to a number of quite distinct conditions which share a common clinical presentation wit …

telangiectatic
Relating to or marked by telangiectasia. ... (05 Mar 2000) ...

telangiectatic angioma
<tumour> Angioma composed of dilated vessels. ... Angioma venosum racemosum, tortuous swelling caused by varicosities of superficial veins. ... Venous angioma, vascular anomaly composed of anomalous veins. ... (05 Mar 2000) ...

telangiectatic cancer
A cancer with numerous dilated capillaries and 'lakes' of blood within relatively large endothelium-lined channels. ... (05 Mar 2000) ...

telangiectatic fibroma
<tumour> A benign neoplasm of fibrous tissue in which there are numerous, small and large, frequently dilated, vascular channels. ... Synonym: angiofibroma. ... (05 Mar 2000) ...

telangiectatic glioma
<tumour> Glioma telangiectodes, a glioma in which the stroma has numerous, conspicuous, frequently dilated small blood vessels and capillaries, as well as large, endothelium-rimmed lakes of blood. ... (05 Mar 2000) ...

telangiectatic lipoma
Synonym for angiolipoma ... A benign neoplasm composed of a mixture of adipose tissue and blood vessels. ... (12 Dec 1998) ...

telangiectatic osteogenic sarcoma
<tumour> A lytic cystic variant of osteogenic sarcoma composed of aneurysmal blood-filled spaces lined by sarcoma cells producing osteoid. ... (05 Mar 2000) ...

telangiectatic wart
Synonym for angiokeratoma ... A discrete, pink to red telangiectasia having a tendency to undergo secondary epithelial changes, including acanthosis and hyperkeratosis. An underlying vascular abnormality is present in many cases. The term angiokeratoma is applied to a number of quite distinct conditions which share a common clinical presentation wit …

telangiectodes
A term used to qualify highly vascular tumours. ... Origin: telangiectasis + G. -odes, fr. Eidos, resemblance ... (05 Mar 2000) ...

telangioma
<tumour> Angioma due to dilation of the capillaries or terminal arterioles. ... (05 Mar 2000) ...

telangion
One of the terminal arterioles or a capillary vessel. ... Synonym: trichangion. ... Origin: G. Telos, end, + angeion, vessel ... (05 Mar 2000) ...

telangiosis
Any disease of the capillaries and terminal arterioles. ... (05 Mar 2000) ...

tele-
Distance, end, other end. ... Origin: G. Tele, distant, telos, end ... (05 Mar 2000) ...

telecanthus
Increased distance between the medial canthi of the eyelids. ... Synonym: canthal hypertelorism. ... Origin: G. Tele, distant, + kanthos, canthus ... (05 Mar 2000) ...

telecardiogram
Synonym for telelectrocardiogram ... An electrocardiogram recorded at a distance from the subject being tested; e.g., the electrocardiogram obtained through telemetry, or, as with a galvanometer in the laboratory, being connected by a wire with the patient in another room. ... Synonym: telecardiogram. ... Origin: G. Tele, distant, + electrocardiogram< …

telecardiophone
A specially constructed stethoscope by means of which heart sounds can be heard by listeners at a distance from the patient. ... Origin: G. Tele, distant, + kardia, heart, + phone, sound ... (05 Mar 2000) ...

telecobalt
Teletherapy using radioactive cobalt as the source. ... (05 Mar 2000) ...

telecommunications
Transmission of signs, signals, writing, images, sounds, or data of any nature by wire, radio, or other electromagnetic equipment. ... (12 Dec 1998) ...

telediagnosis
Detection of a disease by evaluation of data transmitted to a receiving station, a process normally involving patient-monitoring instruments and a transfer link to a diagnostic centre at some distance from the patient. ... (05 Mar 2000) ...

telediastolic
Pertaining to or occurring toward the end of ventricular diastole. ... Origin: G. Telos, end, + diastole, dilation ... (05 Mar 2000) ...

telefacsimile
A telecommunication system combining the transmission of a document scanned at a transmitter, its reconstruction at a receiving station, and its duplication there by a copier. ... (12 Dec 1998) ...

telegraph
To convey or announce by telegraph. ... Origin: F. Telegraphier. ... An apparatus, or a process, for communicating intelligence rapidly between distant points, especially by means of preconcerted visible or audible signals representing words or ideas, or by means of words and signs, transmitted by electrical action. ... The instruments used are classe …

telehopsias
Synonym for fortification spectrum ... The zigzag banding of light, resembling the walls of fortified medieval towns, that marks the margin of the scintillating scotoma of migraine. ... Synonym: fortification figures, telehopsias. ... (05 Mar 2000) ...

telelectrocardiogram
An electrocardiogram recorded at a distance from the subject being tested; e.g., the electrocardiogram obtained through telemetry, or, as with a galvanometer in the laboratory, being connected by a wire with the patient in another room. ... Synonym: telecardiogram. ... Origin: G. Tele, distant, + electrocardiogram ... (05 Mar 2000) ...

telemedicine
Delivery of health services via remote telecommunications. This includes interactive consultative and diagnostic services. ... (12 Dec 1998) ...

telemeter
An instrument used for measuring the distance of an object from an observer; as, a telescope with a micrometer for measuring the apparent diameter of an object whose real dimensions are known. A measuring instrument which sends the information obtained from its sensors by radio to a base station. Such instruments are used for measuring conditions i …

telemetry
Transmission of the readings of instruments to a remote location by means of wires, radio waves, or other means. ... (12 Dec 1998) ...

telencephalic
Relating to the telencephalon or endbrain. ... (05 Mar 2000) ...

telencephalic flexure
A flexure appearing in the embryonic forebrain region. ... (05 Mar 2000) ...

telencephalic vesicle
Paired diverticula arising from the prosencephalon, from which the forebrain develops. ... (05 Mar 2000) ...

telencephalization
Synonym for corticalization ... In phylogenesis, the migration of function from subcortical centres to the cortex. ... Synonym: encephalization, telencephalization. ... (05 Mar 2000) ...

telencephalon
Paired anteriolateral evaginations of the prosencephalon plus the lamina terminalis. The cerebral hemispheres are derived from it. ... (12 Dec 1998) ...

teleology
<study> The study of natural phenomena in terms of an overall purpose or design. ... (09 Oct 1997) ...

teleomitosis
A completed mitosis. ... Origin: G. Teleos, complete, + mitosis ... (05 Mar 2000) ...

teleomorph
A reproductive structure of a fungus that is a result of plasmogamy and nuclear recombination; sexual state (sexual reproduction). ... Synonym: perfect stage. ... (05 Mar 2000) ...

teleonomic
1. Pertaining to teleonomy. ... 2. In psychology, pertaining to those patterns of behaviour that are a function of an inferred purpose or motive; e.g., a child's behaviour pattern may be classified teleonomically by an observer as attention-getting. ... (05 Mar 2000) ...

teleonomical
Relating to teleology. ... (09 Oct 1997) ...

teleonomy
The doctrine that life is characterised by endowment with a project or purpose; i.e., the existence in an organism of a structure or function implies that it has had evolutionary survival value. ... Origin: G. Telos, end, + nomos, law ... (05 Mar 2000) ...

teleopsia
An error in judging the distance of objects arising from lesions in the parietal temporal region. ... Origin: G. Tele, distant, + opsis, vision ... (05 Mar 2000) ...

teleost melanophore
<pathology> Large stellate cell found in the epidermis of fish. Cytoplasmic pigment granules (containing melanin) can be centrally located or rapidly dispersed, using a microtubule associated system. Altering the granule distribution changes the colour of the skin. ... (18 Nov 1997) ...

telepathology
Transmission and interpretation of tissue specimens via remote telecommunication, generally for the purpose of diagnosis or consultation but may also be used for continuing education. ... (12 Dec 1998) ...

telepathy
The knowledge or communication by one person with the mental processes of another through channels other than known physical or perceptual processes. ... (12 Dec 1998) ...

telephone
<physics> An instrument for reproducing sounds, especially articulate speech, at a distance. ... The ordinary telephone consists essentially of a device by which currents of electricity, produced by sounds through the agency of certain mechanical devices and exactly corresponding in duration and intensity to the vibrations of the air which att …

telephone theory
A theory of pitch perception which states that the cochlea possesses no faculty of sound analysis, but that the frequency of the impulses transmitted over the auditory nerve fibres corresponds to the frequency of the sound vibrations, and is the sole basis for pitch discrimination; a theory no longer tenable. ... (05 Mar 2000) ...

teleradiography
Radiography with the X-ray tube positioned about 2 m from the film thereby securing practical parallelism of the X-rays to minimise geometric distortion; the standard configuration for chest radiography. ... Compare: air-gap technique. ... Synonym: teleroentgenography. ... Origin: G. Tele, distant, + radiography ... (05 Mar 2000) ...

teleradiology
The electronic transmission of radiological images from one location to another for the purposes of interpretation and/or consultation. Users in different locations may simultaneously view images with greater access to secondary consultations and improved continuing education. ... (12 Dec 1998) ...

teleradium
See: teleradium therapy. ... (05 Mar 2000) ...

teleradium therapy
Therapeutic use of radium rays, the source of which is a quantity of radium at a distance from the patient. ... Synonym: radium beam therapy. ... (05 Mar 2000) ...

telereceptor
An organ, such as the eye, that can receive sense stimuli from a distance. ... (05 Mar 2000) ...

telergy
Synonym: automatism. ... Origin: G. Tele, far off, + ergon, work ... (05 Mar 2000) ...

teleroentgenography
Synonym for teleradiography ... Radiography with the X-ray tube positioned about 2 m from the film thereby securing practical parallelism of the X-rays to minimise geometric distortion; the standard configuration for chest radiography. ... Compare: air-gap technique. ... Synonym: teleroentgenography. ... Origin: G. Tele, distant, + radiography ... (05 M …

teleroentgentherapy
Synonym for teletherapy ... Radiation therapy administered with the source at a distance from the body. ... Compare: interstitial therapy. ... Synonym: teleroentgentherapy. ... Origin: G. Tele, distant, + therapeia, treatment ... (05 Mar 2000) ...

telescope
<instrument> To slide or pass one within another, after the manner of the sections of a small telescope or spyglass; to come into collision, as railway cars, in such a manner that one runs into another. ... Origin: Telescoped; Telescoping. ... To cause to come into collision, so as to telescope. ... An optical instrument used in viewing distant …

telescopic denture
Synonym for overlay denture ... A complete denture that is supported by both soft tissue and natural teeth that have been altered so as to permit the denture to fit over them. The altered teeth may have been fitted with short or long copings, locking devices, or connecting bars. ... Synonym: bar joint denture, hybrid prosthesis, overdenture, telescop …

telescopic spectacles
Magnifying spectacles obtained by using a convex objective lens and a concave eyepiece separated by the difference in their focal lengths. ... (05 Mar 2000) ...

telescopical
1. Of or pertaining to a telescope; performed by a telescope. ... 2. Seen or discoverable only by a telescope; as, telescopic stars. ... 3. Able to discern objects at a distance; farseeing; far-reaching; as, a telescopic eye; telescopic vision. ... 4. <machinery> Having the power of extension by joints sliding one within another, like the tube o …