| jaagsiekte | Synonym: pulmonary adenomatosis of sheep. Origin: Afrikaans, drive sickness (05 Mar 2000) |
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| jaal goat | <zoology> A species of wild goat (Capra Nubiana) found in the mountains of Abyssinia, Upper Egypt, and Arabia. Synonym: beden, and jaela. Source: Websters Dictionary (01 Mar 1998) |
| jabiru | <ornithology> One of several large wading birds of the genera Mycteria and Xenorhynchus, allied to the storks in form and habits. The American jabiru (Mycteria Americana) is white, with the head and neck black and nearly bare of feathers. The East Indian and Australian (Xenorhynchus Australis) has the neck, head, and back covered with glossy, dark green feathers, changing on the head to purple. The African jabiru (Mycteria, or Ephippiorhynchus, Senegalensis) has the neck, head, wing coverts, and tail, black, and is Synonym: saddle-billed stork. Origin: Braz. Jabiro, jaburo. Source: Websters Dictionary (01 Mar 1998) |
| jaborandi | <botany> The native name of a South American rutaceous shrub (Pilocarpus pennatifolius). The leaves are used in medicine as an diaphoretic and sialogogue. Source: Websters Dictionary (01 Mar 1998) |
| jaborine | <chemistry> An alkaloid found in jaborandi leaves, from which it is extracted as a white amorphous substance. In its action it resembles atropine. Origin: From Jaborandi. Source: Websters Dictionary (01 Mar 1998) |
| Jaboulay pyloroplasty | A side-to-side gastroduodenostomy, useful when the pylorus and proximal duodenum are extensively scarred or indurated by peptic ulcer disease. (05 Mar 2000) |
| Jaboulay's amputation | Amputation of a lower limb through the sacroiliac joint. (12 Dec 1998) |
| Jaboulay, Mathieu | <person> French surgeon, 1860-1913. See: Jaboulay pyloroplasty, Jaboulay's amputation. (05 Mar 2000) |
| jacamar | <ornithology> Any one of numerous species of tropical American birds of the genus Galbula and allied genera. They are allied to the kingfishers, but climb on tree trunks like nuthatches, and feed upon insects. Their colours are often brilliant. Origin: F. Jacamar, Braz. Jacamarica; cf. Sp. Jacamar. Source: Websters Dictionary (01 Mar 1998) |
| jacana | <ornithology> Any of several wading birds belonging to the genus Jacana and several allied genera, all of which have spurs on the wings. They are able to run about over floating water weeds by means of their very long, spreading toes. Called also surgeon bird. The most common South American species is Jacana spinosa. The East Indian or pheasant jacana (Hydrophasianus chirurgus) is remarkable for having four very long, curved, middle tail feathers. Origin: Cf. Sp. Jacania. Source: Websters Dictionary (01 Mar 1998) |
| jacaranda | <botany> The native Brazilian name for certain leguminous trees, which produce the beautiful woods called king wood, tiger wood, and violet wood. A genus of bignoniaceous Brazilian trees with showy trumpet-shaped flowers. Origin: Braz.; cf. Sp. & Pg. Jacaranda. Source: Websters Dictionary (01 Mar 1998) |
| jacare | <zoology> A cayman. See Yacare. Origin: Pg. Jacare; of Brazilian origin. Source: Websters Dictionary (01 Mar 1998) |
| Jaccard coefficient | <zoology> An association coefficient used in numerical taxonomy, it is the proportion of characters that match, excluding those that both organisms lack. (12 Jan 1998) |
| jacchus | <zoology> The common marmoset (Hapale vulgaris). Formerly, the name was also applied to other species of the same genus. Origin: NL, fr. L. Jacchus a mystic name of Bacchus, Gr. Source: Websters Dictionary (01 Mar 1998) |
| Jaccoud's arthritis | A rare form of chronic arthritis, reported to occur after attacks of acute rheumatic fever, characterised by an unusual form of bone erosion of the metacarpal heads and by ulnar deviation of the fingers; it resembles rheumatoid arthritis, but with less overt inflammation, and rheumatoid factor is absent. Synonym: Jaccoud's arthropathy. (05 Mar 2000) |