| Br | breech; bregma; bridge; bromine; bronchitis; brown; Brucella; brucellosis |
|---|---|
| CHARGE Associations | Coloboma Heart disease Atresia choanae Reta... |
| CHARGE | coloboma, heart disease, atresia choanae, retarded growth and retarded development and/or CNS anomal... |
| CHIME | coloboma, heart anomaly, ichthyosis, mental retardation, ear abnormality |
| MOC | maximum oxygen consumption; multiple ocular coloboma |
| Cm | Coloboma |
|---|---|
| MB | Myocardial Bridge |
| macular coloboma | A defect of the central retina as a result of arrested development or intrauterine retinal inflammation. (05 Mar 2000) |
|---|---|
| coloboma | Congenital anomaly in which some of the structures of the eye are absent due to incomplete fusion of the foetal intraocular fissure during gestation. (12 Dec 1998) |
| coloboma iridis | Retention of the choroid fissure causing a congenital cleft of the iris, often associated with coloboma of the choroid, viable in the inferior ocular fundus, obsolete term for the iris defect resulting from a large surgical iridectomy. (05 Mar 2000) |
| coloboma lentis | A segment of the lens equator devoid of zonular fibres, giving the appearance of a notch. (05 Mar 2000) |
| coloboma lobuli | Congenital fissure of the lobule of the ear. (05 Mar 2000) |
| coloboma of choroid | A congenital defect of the choroid and retinal pigment epithelium exposing the sclera; the defect is usually situated below the optic disk in the region of foetal fissure. (05 Mar 2000) |
| coloboma of optic nerve | <anatomy, nerve> A congenital notch in the formation of the optic nerve, appearing as a craterlike excavation at the optic disk. (05 Mar 2000) |
| coloboma of vitreous | A congenital indentation of the vitreous body by mesoderm; associated with severe myopia. (05 Mar 2000) |
| coloboma palpebrale | A congenital notch in the eyelid margin. (05 Mar 2000) |
| Fuchs' coloboma | A congenital inferior crescent on the choroid at the edge of the optic disk; not associated with myopia. Synonym: congenital conus. (05 Mar 2000) |
| arteriolovenular bridge | The largest capillary connecting arteriole to venule. (05 Mar 2000) |
| bridge | 1. To build a bridge or bridges on or over; as, to bridge a river. "Their simple engineering bridged with felled trees the streams which could not be forded." (Palfrey) 2. To open or make a passage, as by a bridge. "Xerxes . . . Over Hellespont Bridging his way, Europe with Asia joined." (Milton) 3. To find a way of getting over, as a difficulty; generally with over. Origin: Bridged; Bridging. 1. A structure, usually of wood, stone, brick, or iron, erected over a river or other water course, or over a chasm, railroad, etc, to make a passageway from one bank to the other. 2. Anything supported at the ends, which serves to keep some other thing from resting upon the object spanned, as in engraving, watchmaking, etc, or which forms a platform or staging over which something passes or is conveyed. 3. The small arch or bar at right angles to the strings of a violin, guitar, etc, serving of raise them and transmit their vibrations to the body of the instrument. 4. <physics> A device to measure the resistance of a wire or other conductor forming part of an electric circuit. 5. A low wall or vertical partition in the fire chamber of a furnace, for deflecting flame, etc.; usually called a bridge wall. Aqueduct bridge. See Aqueduct. Asses' bridge, Bascule bridge, Bateau bridge. See Ass, Bascule, Bateau. Bridge of a steamer, a narrow platform across the deck, above the rail, for the convenience of the officer in charge of the ship; in paddlewheel vessels it connects the paddle boxes. Bridge of the nose, the upper, bony part of the nose. Cantalever bridge. See Cantalever. Draw bridge. See Drawbridge. Flying bridge, a temporary bridge suspended or floating, as for the passage of armies; also, a floating structure connected by a cable with an anchor or pier up stream, and made to pass from bank to bank by the action of the current or other means. Girder bridge or Truss bridge, a bridge formed by girders, or by trusses resting upon abutments or piers. Lattice bridge, a bridge formed by lattice girders. Pontoon bridge, Ponton bridge. See Pontoon. Skew bridge, a bridge built obliquely from bank to bank, as sometimes required in railway engineering. Suspension bridge. See Suspension. Trestle bridge, a bridge formed of a series of short, simple girders resting on trestles. Tubular bridge, a bridge in the form of a hollow trunk or rectangular tube, with cellular walls made of iron plates riveted together, as the Britannia bridge over the Menai Strait, and the Victoria bridge at Montreal. <physics> Wheatstone's bridge, a device for the measurement of resistances, so called because the balance between the resistances to be measured is indicated by the absence of a current in a certain wire forming a bridge or connection between two points of the apparatus; invented by Sir Charles Wheatstone. Origin: OE. Brig, brigge, brug, brugge, AS. Brycg, bricg; akin to Fries. Bregge, D. Brug, OHG. Bruccu, G. Brucke, Icel. Bryggja pier, bridge, Sw. Brygga, Dan. Brygge, and prob. Icel. Br bridge, Sw. & Dan. Bro bridge, pavement, and possibly to E. Brow. Source: Websters Dictionary (01 Mar 1998) |
| bridge corpuscle | <cell biology> Specialised cell junction characteristic of epithelia into which intermediate filaments (tonofilaments of cytokeratin) are inserted. The gap between plasma membranes is of the order of 25-30nm and the intercellular space has a medial band of electron dense material. Desmosomes are particularly conspicuous in tissues such as skin that have to withstand mechanical stress. Origin: Gr. Soma = body (18 Nov 1997) |
| cantilever bridge | A fixed partial bridge denture in which the pontic is retained only on one side by an abutment tooth. Synonym: extension bridge. (05 Mar 2000) |
| Gaskell's bridge | The bundle of modified cardiac muscle fibres that begins at the atrioventricular node as the trunk of the atrioventricular bundle and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum where the trunk divides into two branches, the right crus of the atrioventricular bundle and the left crus of the atrioventricular bundle; the two crura ramify in the subendocardium of their respective ventricles. Synonym: fasciculus atrioventricularis, atrioventricular band, Gaskell's bridge, His' band, His' bundle, bundle of His, Keith's bundle, Kent's bundle, Kent-His bundle, ventriculonector. (05 Mar 2000) |
| bridge coloboma |
a narrow zone of normal fundus between a retinochoroidal coloboma and an optic nerve coloboma.
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