| Boley gauge | A caliper-type gauge graduated in millimeters used to measure the thickness of various dental materials. (05 Mar 2000) |
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| bolivian haemorrhagic fever | A febrile illness similar to Argentinian haemorrhagic fever but caused by the Machupo virus, a member of Arenaviridae. (27 Sep 1997) |
| Bolivian haemorrhagic fever virus | A member of the Arenavirus group of single-stranded RNA viruses also known as Machupo virus; primary reservoir in rodents; produces multiple abnormalities in coagulation system including widespread capillary leak syndrome, which can be fatal. (05 Mar 2000) |
| boll | 1. The pod or capsule of a plant, as of flax or cotton; a pericarp of a globular form. 2. A Scotch measure, formerly in use: for wheat and beans it contained four Winchester bushels; for oats, barley, and potatoes, six bushels. A boll of meal is 140 lbs. Avoirdupois. Also, a measure for salt of two bushels. [Sometimes spelled bole. Origin: OE. Bolle boll, bowl, AS. Bolla. See Bowl a vessel. To form a boll or seed vessel; to go to seed. "The barley was in the ear, and the flax was bolled." (Ex. Ix. 31) Origin: Bolled. Source: Websters Dictionary (01 Mar 1998) |
| Boll's cells | Basal cell's in the lacrimal gland. (05 Mar 2000) |
| Boll, Franz | <person> German histologist and physiologist, 1849-1879. See: Boll's cells. (05 Mar 2000) |
| bollard | An upright wooden or iron post in a boat or on a dock, used in veering or fastening ropes. Bollard timber, a timber, also called a knighthead, rising just within the stem in a ship, on either side of the bowsprit, to secure its end. Origin: Cf. Bole the stem of a tree, and Pollard. Source: Websters Dictionary (01 Mar 1998) |
| bolling | A tree from which the branches have been cut; a pollard. Origin: Cf. Bole stem of a tree, and Poll. Source: Websters Dictionary (01 Mar 1998) |
| Bollinger bodies | Relatively large, spheroid or ovoid, usually somewhat granular, acidophilic, intracytoplasmic inclusion body's observed in the infected tissues of birds with fowlpox; when body's are ruptured large numbers of fowlpox virus particles are released. (05 Mar 2000) |
| Bollinger granules | Relatively small, but frequently microscopically visible, pale yellow or yellow-white granule's observed in the granulomatous lesion, or the exudate, in botryomycosis; the granule's consist of irregular aggregates or colonizations of Gram-positive cocci, usually staphylococci, term sometimes incorrectly used synonymously with Bollinger bodies. (05 Mar 2000) |
| Bollinger, Otto | <person> German pathologist, 1843-1909. See: Bollinger bodies, Bollinger granules. (05 Mar 2000) |
| Bollman, Jesse | <person> U.S. Physiologist, *1896. See: Mann-Bollman fistula. (05 Mar 2000) |
| bollworm | <zoology> The larva of a moth (Heliothis armigera) which devours the bolls or unripe pods of the cotton plant, often doing great damage to the crops. Source: Websters Dictionary (01 Mar 1998) |
| bologna | 1. A city of Italy which has given its name to various objects. 2. A Bologna sausage. Bologna sausage [It. Salsiccia di Bologna], a large sausage made of bacon or ham, veal, and pork, chopped fine and inclosed in a skin. <chemical> Bologna stone, radiated barite, or barium sulphate, found in roundish masses composed of radiating fibres, first discovered near Bologna. It is phosphorescent when calcined. Bologna vial, a vial of unannealed glass which will fly into pieces when its surface is scratched by a hard body, as by dropping into it a fragment of flint; whereas a bullet may be dropped into it without injury. Source: Websters Dictionary (01 Mar 1998) |
| Bolognini's symptom | A feeling of crepitation on gradually increasing pressure on the abdomen in cases of measles. Cardinal symptom, the primary or major symptom of diagnostic importance. (05 Mar 2000) |