| hobby | Origin: OE. Hobi; cf. OF. Hobe, hobe, F. Hobereau a hobby, a species of falcon. OF. Hober to move, stir. Cf. Hobby a horse. <zoology> A small, strong-winged European falcon (Falco subbuteo), formerly trained for hawking. Source: Websters Dictionary (01 Mar 1998) |
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| hobnail | 1. A short, sharp-pointed, large-headed nail, used in shoeing houses and for studding the soles of heavy shoes. 2. A clownish person; a rustic. <medicine> Hobnail liver, a disease in which the liver is shrunken, hard, and covered with projections like hobnails; one of the forms of cirrhosis of the liver. Origin: 1st hob + nail. Source: Websters Dictionary (01 Mar 1998) |
| hobnail cells | Cell's characteristic of a mesonephroma; a round expansion of clear cytoplasm projects into the lumen of neoplastic tubules, but the basal part of the cell containing the nucleus is narrow. (05 Mar 2000) |
| hobnail liver | In Laennec's cirrhosis, the contraction of scar tissue and hepatic cellular regeneration which causes a nodular appearance of the liver's surface. (05 Mar 2000) |
| hobnail tongue | Interstitial glossitis with hypertrophy and verrucous changes in papillae; seen in some cases of late acquired syphilis. (05 Mar 2000) |
| Hoboken | Nicholas van, Dutch anatomist and physician, 1632-1678. See: Hoboken's gemmules, Hoboken's nodules, Hoboken's valves. (05 Mar 2000) |
| Hoboken's gemmules | Gross dilations on the outer surface of the umbilical arteries. See: Hoboken's valves. Synonym: Hoboken's gemmules. (05 Mar 2000) |
| Hoboken's nodules | Gross dilations on the outer surface of the umbilical arteries. See: Hoboken's valves. Synonym: Hoboken's gemmules. (05 Mar 2000) |
| Hoboken's valves | The flangelike protrusions into the lumen of the umbilical arteries where they are twisted or kinked in their course through the umbilical cord. (05 Mar 2000) |
| HOCA | <abbreviation> High osmolar contrast agent. (05 Mar 2000) |
| hocco | <zoology> The crested curassow. Synonym: royal pheasant. See Curassow. Source: Websters Dictionary (01 Mar 1998) |
| Hoche's bundle | A compact bundle composed of descending branches of posterior root fibres located near the border between the fasciculi gracilis and cuneatus of the cervical and thoracic spinal cord; it corresponds to the septomarginal fasciculus, Hoche's tract, or oval area of Flechsig in the lumbar, and to the triangle of Philippe-Gombault in the sacral spinal segments; like these, it can be demonstrated only in cases of demyelination resulting from dorsal root lesions. Synonym: fasciculus semilunaris, fasciculus interfascicularis, comma bundle of Schultze, comma tract of Schultze, interfascicular fasciculus. (05 Mar 2000) |
| Hoche's tract | A compact bundle composed of descending branches of posterior root fibres located near the border between the fasciculi gracilis and cuneatus of the cervical and thoracic spinal cord; it corresponds to the septomarginal fasciculus, Hoche's tract, or oval area of Flechsig in the lumbar, and to the triangle of Philippe-Gombault in the sacral spinal segments; like these, it can be demonstrated only in cases of demyelination resulting from dorsal root lesions. Synonym: fasciculus semilunaris, fasciculus interfascicularis, comma bundle of Schultze, comma tract of Schultze, interfascicular fasciculus. (05 Mar 2000) |
| Hoche, Alfred | <person> German psychiatrist. Lived: 1865-1943. See: Hoche's bundle, Hoche's tract. (05 Mar 2000) |
| hock | <veterinary> The tarsus in the horse and other quadrupeds; the joint of the hind limb between the stifle and the fetlock; corresponds to the ankle in humans. Origin: O.E. Hoh, heel (05 Mar 2000) |