| sequence ladder | The array of bands, made conspicuous by labeling, when DNA fragmented by endonucleases is subject to gel electrophoresis; corresponds to the nucleotide sequence. (05 Mar 2000) |
|---|---|
| fish ladder | A series of descending weirs which carry water around a dam or waterfall to facilitate the upstream migration of fish. (09 Oct 1997) |
| ladder | 1. A frame usually portable, of wood, metal, or rope, for ascent and descent, consisting of two side pieces to which are fastened cross strips or rounds forming steps. "Some the engines play, And some, more bold, mount ladders to the fire." (Dryden) 2. That which resembles a ladder in form or use; hence, that by means of which one attains to eminence. "Lowliness is young ambition's ladder." (Shak) Fish ladder. See Fish. Ladder beetle, a spiral marine shell of the genus Scalaria. See Scalaria. Origin: OE. Laddre, AS. Hlder, hldder; akin to OFries. Hladder, OHG.leitara, G. Leiter, and from the root of E. Lean, v. See Lean, and cf. Climax. Source: Websters Dictionary (01 Mar 1998) |
| ladder splint | A flexible splint consisting of two stout parallel wires with finer cross wires. Synonym: Cramer wire splint. (05 Mar 2000) |
| Blumberg, Jacob | <person> German surgeon and gynecologist, 1873-1955. See: Blumberg's sign. (05 Mar 2000) |
| Clarke, Jacob | <person> English anatomist, 1817-1880. See: Clarke's column, Clarke's nucleus. (05 Mar 2000) |
| Moll, Jacob | <person> Dutch oculist, 1832-1914. See: Moll's glands. (05 Mar 2000) |
| Winslow, Jacob | <person> Danish anatomist, physicist, and surgeon in Paris, 1669-1760. See: Winslow's foramen, Winslow's ligament, Winslow's pancreas, Winslow's stars, stellulae winslowii. (05 Mar 2000) |
| Creutzfeld Jacob disease | <disease, virology> Rare fatal pre senile dementia of humans, similar to kuru and other slow viruses. Method of transmission unknown. Will induce neurological disorder in goats 3-4 years after inoculation with CJD brain extract. Classified pathologically as a subacute spongiform encephalopathy. See: Prions. (18 Nov 1997) |
| Hovius, Jacob | <person> Dutch ophthalmologist, 1710-1786. See: canal of Hovius. (05 Mar 2000) |
| DaCosta, Jacob | <person> U.S. Surgeon, 1833-1900. See: DaCosta's syndrome. (05 Mar 2000) |