| syndrome, brown's | An ophthalmology (eye) problem. Brown's syndrome presents at birth (congenitally) and is characterised by an inability to elevate the eyeball when also trying to move the eyeball to the outside. (12 Dec 1998) |
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| Brown-Sequard's syndrome | <neurology, syndrome> A type of spinal cord lesion that is characterised by hemiparaplegia and hyperesthesia, but with loss of motor function on the same side as the lesion and hemianaesthesia on the opposite side. (27 Sep 1997) |
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| brown-sequard syndrome | <syndrome> A syndrome due to damage of one half of the spinal cord, resulting in ipsilateral paralysis below the level of the lesion and loss of discriminatory and joint sensation, and contralateral loss of pain and temperature sensation. Brown-sequard was a french physiologist, 1817-1894. The syndrome is also called brown-sequard disease and brown-sequard paralysis but this latter should not be confused with a flaccid paralysis seen in disorders of the urinary tract called by the same name. (12 Dec 1998) |
| brown's syndrome | <syndrome> An ophthalmology (eye) problem. Brown's syndrome presents as an abnormality at birth (congenitally) and is characterised by an inability to elevate the eyeball when also trying to move the eyeball to the outside. Brown's syndrome can also occur because of other conditions which affect the normal function of the eye muscles. (12 Dec 1998) |
| Paterson-Brown-Kelly syndrome | <syndrome> Limited elevation of the eye in adduction, appearing clinically as a paresis of the inferior oblique muscle, due to fascia contracting the superior oblique muscle on the same side. Synonym: Brown's syndrome, Paterson-Brown-Kelly syndrome. (05 Mar 2000) |
| algae, brown | Predominantly marine algae of the division phaeophyta, having chromatophores containing carotenoid pigments. Genera include ascophyllum, fucus, eisenia, petalonia, ectocarpus. (12 Dec 1998) |
| Bismarck brown R | A diazo dye similar to Bismarck brown Y. (05 Mar 2000) |
| Bismarck brown Y | A diazo dye used for staining mucin and cartilage in histologic sections, in the Papanicolaou technique for vaginal smears, and as one of Kasten's Schiff-type reagents in the PAS and Feulgen stains. Synonym: vesuvin. Origin: Ger. Bismarckbraun, after Otto von Bismarck, Ger. Chancellor (05 Mar 2000) |
| Blair-Brown graft | A split-thickness graft of intermediate thickness. (05 Mar 2000) |
| brown | Of a dark colour, of various shades between black and red or yellow. "Cheeks brown as the oak leaves." (Longfellow) Brown Bess, the old regulation flintlock smoothbore musket, with bronzed barrel, formerly used in the British army. Brown bread Dark coloured bread; especially. A kind made of unbolted wheat flour, sometimes called in the United States Graham bread. "He would mouth with a beggar though she smelt brown bread and garlic." . Dark coloured bread made of rye meal and Indian meal, or of wheat and rye or Indian; rye and Indian bread. Brown coal, wood coal. See Lignite. Brown hematite or Brown iron ore, a ferruginous variety of dolomite, in part identical with ankerite. Brown stone. See Brownstone. Brown stout, a strong kind of proter or malt liquor. Brown study, a state of mental abstraction or serious reverie. Origin: OE. Brun, broun, AS. Brn; akin to D. Bruin, OHG. Brn, Icel. Brnn, Sw. Brun, Dan. Bruun, G. Braun, Lith. Brunas, Skr. Babhru. 93. Cf. Bruin, Beaver, Burnish, Brunette. Source: Websters Dictionary (01 Mar 1998) |
| brown adipose tissue | A thermogenic type of adipose tissue containing a dark pigment, and arising during embryonic life in certain specific areas in many mammals, including man. It is prominent in the newborn of all species in which it occurs and remains a distinct and conspicuous tissue in the adults of certain species, especially those that hibernate. It is also called brown adipose tissue. (12 Dec 1998) |
| Brown-Adson forceps | An Adson forceps with about 16 delicate teeth on each tip. (05 Mar 2000) |
| brown atrophy | Atrophy of the heart wall, especially in the elderly, in which the muscle is dark reddish brown and reduced in volume; the muscle fibres become pigmented especially about the nuclei, by lipochrome granules. (05 Mar 2000) |
| brown bill | A bill or halberd of the 16th and 17th centuries. See 4th Bill. "Many time, but for a sallet, my brainpan had been cleft with a brown bill." (Shak) The black, or as it is sometimes called, the brown bill, was a kind of halberd, the cutting part hooked like a woodman's bill, from the back of which projected a spike, and another from the head. Origin: Brown + bill cutting tool. Source: Websters Dictionary (01 Mar 1998) |
| Brown-Brenn stain | <technique> A method for differential staining of Gram-positive and Gram-negative bacteria in tissue sections; it utilises a modified Gram stain of crystal violet, Gram's iodine, and basic fuchsin. (05 Mar 2000) |
| brown fat | A thermogenic type of adipose tissue containing a dark pigment, and arising during embryonic life in certain specific areas in many mammals, including man. It is prominent in the newborn of all species in which it occurs and remains a distinct and conspicuous tissue in the adults of certain species, especially those that hibernate. It is also called brown adipose tissue. (12 Dec 1998) |