| Jensen, Edmund | <person> Danish ophthalmologist, 1861-1950. See: Jensen's disease. (05 Mar 2000) |
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| jentling | <zoology> A fish of the genus Leuciscus; the blue chub of the Danube. Source: Websters Dictionary (01 Mar 1998) |
| jerboa | <zoology> Any small jumping rodent of the genus Dipus, especially. D. Aegyptius, which is common in Egypt and the adjacent countries. The jerboas have very long hind legs and a long tail. Alternative forms: gerboa. The name is also applied to other small jumping rodents, as the Pedetes Caffer, of the Cape of Good Hope. <zoology> Jerboa kangaroo, small Australian kangaroo (Bettongia penicillata), about the size of a common hare. Origin: Ar. Yarb'. Source: Websters Dictionary (01 Mar 1998) |
| jerfalcon | <zoology> The gyrfalcon. Source: Websters Dictionary (01 Mar 1998) |
| jerk | 1. A sudden pull. Synonym: deep reflex. (05 Mar 2000) |
| jerk finger | An affection in which the movement of the finger is arrested for a moment in flexion or extension and then continues with a jerk. Synonym: jerk finger, lock finger, snap finger, spring finger, stuck finger. (05 Mar 2000) |
| jerker | 1. A beater. 2. One who jerks or moves with a jerk. 3. <zoology> A North American river chub (Hybopsis biguttatus). Source: Websters Dictionary (01 Mar 1998) |
| jerkin | <zoology> A male gyrfalcon. Source: Websters Dictionary (01 Mar 1998) |
| jerks | Chorea or any form of tic. (05 Mar 2000) |
| jerky nystagmus | Nystagmus in which there is a slow drift of the eyes in one direction, followed by a rapid recovery movement, always described in the direction of the recovery movement; it usually arises from labyrinthine or neurologic lesions or stimuli. (05 Mar 2000) |
| jerky respiration | The inspiratory sound being broken into two or three by silent intervals. Synonym: interrupted respiration, jerky respiration. (05 Mar 2000) |
| jermoonal | <zoology> The Himalayan now partridge. Source: Websters Dictionary (01 Mar 1998) |
| Jerne technique | A technique for measuring immunocompetence by quantitating the number of splenic antibody-forming cells found in a mouse that has been sensitised to sheep erythrocytes. The number of plaques formed correlates with the number of splenic antibody-forming cells. (05 Mar 2000) |
| jerusalem | The chief city of Palestine, intimately associated with the glory of the Jewish nation, and the life and death of Jesus Christ. Jerusalem artichoke [Perh. A corrupt. Of It. Girasole i.e, sunflower, or turnsole. See Gyre, Solar. <botany> A spiny, leguminous tree (Parkinsonia aculeata), widely dispersed in warm countries, and used for hedges. The new Jerusalem, Heaven; the Celestial City. Origin: Gr, fr. Heb. Yrshalaim. Source: Websters Dictionary (01 Mar 1998) |
| Jervell and Lange-Nielsen syndrome | <syndrome> A prolonged Q-T interval recorded in the electrocardiogram of certain congenitally deaf children subject to attacks of unconsciousness resulting from Adams-Stokes seizures and ventricular fibrillation; autosomal recessive inheritance. Synonym: surdocardiac syndrome. (05 Mar 2000) |