| Bertin's columns | The prolongations of cortical substance separating the pyramids of the kidney. Synonym: columnae renales, Bertin's columns. (05 Mar 2000) |
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| Bertin's ligament | <anatomy> A triangular ligament attached by its apex to the anterior inferior spine of the ilium and rim of the acetabulum, and by its base to the anterior intertrochanteric line of the femur; the strong medial band is attached to the lower part of the intertrochanteric line; the strong lateral part is fixed to the tubercle at the upper part of this line; the bands diverge, forming a Y-like figure with a weak area between; among the strongest of the body's ligaments, it limits extension at the hip joint. Synonym: ligamentum iliofemorale, Bertin's ligament, Bigelow's ligament, hypsiloid ligament, Y-shaped ligament. (05 Mar 2000) |
| Bertin's ossicles | Paired ossicles of pyramidal shape, the spines of which are in contact with the medial pterygoid lamina, the bases forming the roof of the nasal cavity. Synonym: conchae sphenoidales, Bertin's bones, Bertin's ossicles, sphenoidal turbinated bones. (05 Mar 2000) |
| Bertin, Exupere Joseph | <person> French anatomist, 1712-1781. See: Bertin's bones, Bertin's columns, Bertin's ligament, Bertin's ossicles. (05 Mar 2000) |
| bertram | <botany> Pellitory of Spain (Anacyclus pyrethrum). Origin: Corrupted fr. L. Pyrethrum, Gr. A hot spicy plant, fr. Fire. Source: Websters Dictionary (01 Mar 1998) |
| Bertrand lens | <physics> A small, low-power lens, usually on a slide for insertion into the drawtube between analyser and ocular. It is used to observe the back focal plane of the objective so as to examine interference figures or as an aid in achieving interference figures. It is apt to be strongly astigmatic. It is used to image the lamp filament in setting up Kohler illumination as well as for centreing dispersion staining stops to the substage aperture diaphragm. (05 Aug 1998) |
| Bertrand, Ivan Georges | <person> 20th century French neurologist. See: Canavan-van Bogaert-Bertrand disease. (05 Mar 2000) |
| berycoid | <zoology> Of or pertaining to the Berycidae, a family of marine fishes. Origin: NL. Beryx, the name of the typical genus. Source: Websters Dictionary (01 Mar 1998) |
| beryl | <chemical> A mineral of great hardness, and, when transparent, of much beauty. It occurs in hexagonal prisms, commonly of a green or bluish green colour, but also yellow, pink, and white. It is a silicate of aluminium and glucinum (beryllium). The aquamarine is a transparent, sea-green variety used as a gem. The emerald is another variety highly prized in jewelry, and distinguished by its deep colour, which is probably due to the presence of a little oxide of chromium. Origin: F. Beryl, OF. Beril, L. Beryllus, Gr, prob. Fr. Skr. Vaidrya. Cf. Brilliant. Source: Websters Dictionary (01 Mar 1998) |
| berylliosis | <chest medicine> Beryllium exposure may produce acute pneumonitis or chronic interstitial pneumonia. Can be histologically indistinguishable from sarcoidosis. (27 Sep 1997) |
| beryllium | <chemistry> A metallic element found in the beryl. See Glucinum. Source: Websters Dictionary (01 Mar 1998) |
| beryllium granuloma | A sarcoid-like granulomatous reaction to exposure to inhaled beryllium, or skin cuts by fluorescent lamps. (05 Mar 2000) |
| berylloid | <chemistry> A solid consisting of a double twelve-sided pyramid; so called because the planes of this form occur on crystals of beryl. Origin: Beryl. Source: Websters Dictionary (01 Mar 1998) |