| joe-pye weed | <botany> A tall composite plant of the genus Eupatorium (E. Purpureum), with purplish flowers, and whorled leaves. Source: Websters Dictionary (01 Mar 1998) |
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| Joest bodies | <pathology> Intranuclear inclusion body's (Cowdry's type B) produced in certain nerve cells by Borna disease virus. (05 Mar 2000) |
| Joest, Ernst | <person> German veterinary pathologist, 1873-1926. See: Joest bodies. (05 Mar 2000) |
| Joffroy's reflex | Twitching of the glutei muscles when firm pressure is made on the nates, in cases of spastic paralysis. Synonym: hip phenomenon. (05 Mar 2000) |
| Joffroy's sign | <clinical sign> Disorder of the arithmetical faculty (the person being unable to do simple sums in addition or multiplication) in the early stages of organic brain disease. (05 Mar 2000) |
| Joffroy, Alexis | <person> French physician, 1844-1908. See: Joffroy's reflex, Joffroy's sign. (05 Mar 2000) |
| jogging | Running at a low rate of speed. It can be done as a means of conditioning or for general health and well being. (12 Dec 1998) |
| Johansen, Wilhelm | <person> A Dutch geneticist who coined the word gene and demonstrated that environmental adaptations are not inherited. Lived: 1857-1927. (09 Oct 1997) |
| john | A proper name of a man. John-apple, a sort of apple ripe about St. John's Day. Same as Apple-john. John Bull, an ideal personification of the typical characteristics of an Englishman, or of the English people. John Bullism, English character. John Doe An oval, compressed, European food fish (Zeus faber). Its colour is yellow and olive, with golden, silvery, and blue reflections. It has a round dark spot on each side. Synonym: dory, doree, and St. Peter's fish. See: Johannes. Source: Websters Dictionary (01 Mar 1998) |
| Johne's bacillus | A species of gram-positive, aerobic bacteria non-pathogenic for humans. It is the aetiologic agent of johne's disease (see paratuberculosis). (12 Dec 1998) |
| Johne's disease | A disease occurring in cattle and sheep, usually manifested by thickening of the wall of the intestine, particularly of the ileum; caused by infection with Mycobacterium paratuberculosis. Synonym: chronic dysentery of cattle, paratuberculosis. (05 Mar 2000) |
| Johne, H Albert | <person> German physician, 1839-1910. See: johnin, Johne's bacillus, Johne's disease. (05 Mar 2000) |
| johnin | A product used as a diagnostic agent, analogous to tuberculin but made from Mycobacterium paratuberculosis (the causative organism of Johne's disease) grown in a broth medium containing Mycobacterium phlei (timothy hay bacillus); used as an allergen to provoke reactions in infected animals. Origin: H. A. Johne (05 Mar 2000) |
| johnny | 1. A familiar diminutive of John. 2. <zoology> A sculpin. Johny Crapaud, a jocose designation of a Frenchman, or of the French people, collectively. Source: Websters Dictionary (01 Mar 1998) |
| johnson grass | <botany> A tall perennial grass (Sorghum Halepense), valuable in the Southern and Western States for pasture and hay. The rootstocks are large and juicy and are eagerly sought by swine. Synonym: Cuba grass, Means grass, Evergreen millet, and Arabian millet. Origin: Named after W. Johnson of Alabama, who planted it about 1840-1845. Source: Websters Dictionary (01 Mar 1998) |