| sandfly | A small, biting, dipterous midge of the genus Phlebotomus or Lutzomyia; a vector of leishmaniasis. (05 Mar 2000) |
|---|---|
| sandfly fever | Influenza-like febrile viral disease caused by several members of the bunyaviridae family and transmitted mostly by the bloodsucking sandfly phlebotomus papatasii. (12 Dec 1998) |
| sandfly fever group viruses | A group of viruses in the genus phlebovirus of the family bunyaviridae transmitted by the sandfly, phlebotomus papatasii, and causing a short febrile illness in humans. The sandfly fever sicilian virus, the type species of the phlebovirus genus, is not part of this group. (12 Dec 1998) |
| sandfly fever viruses | An unclassified serologic group of arboviruses morphologically like Bunyavirus but antigenically unrelated, transmitted by Phlebotomus papatasi (sandfly) and causing phlebotomus fever; there are 20 strains, including Icoarachi and Itaporanga. Synonym: pappataci fever viruses, sandfly fever viruses. (05 Mar 2000) |
| sandhiller | A nickname given to any "poor white" living in the pine woods which cover the sandy hills in Georgia and South Carolina. Source: Websters Dictionary (01 Mar 1998) |
| sandhoff disease | A variant of tay-sachs disease. It is caused by a deficiency of hexosaminidases a & b inherited as an autosomal recessive trait, leading to accumulation of g(m2) ganglioside and the sphingolipid globoside in neurons. The diseases manifests clinically as psychomotor retardation and deterioration, blindness, cherry red spot in the macula, hepatosplenomegaly, and death in 1-3 years. (12 Dec 1998) |
| Sandhoff's disease | An infantile form of GM2 gangliosidosis characterised by a defect in the production of hexosaminidases A and B; it resembles Tay-Sachs disease, but occurs predominantly (if not entirely) in non-Jewish children; accumulation of glucoside and ganglioside Gm2. (05 Mar 2000) |
| Sandhoff, K | <person> Contemporary German biochemist. See: Sandhoff's disease. (05 Mar 2000) |
| SanDI endonuclease | <enzyme> A type-ii restriction endonuclease; isolated from streptomyces; recognises the internally degenerate heptanucleotide sequence 5'-gggwccc-3' Registry number: EC 3.1.21.- Synonym: sandi enase (26 Jun 1999) |
| sandifer syndrome | <radiology> Seen in infants, torsion spasms of head and neck, occasionally of upper torso, associated with rumination syndrome, regurgitation and re-chewing, secondary to hiatus hernia (12 Dec 1998) |
| Sandison, J Calvin | <person> U.S. Surgeon, *1899. See: Sandison-Clark chamber. (05 Mar 2000) |
| Sandison-Clark chamber | A chamber that can be fitted over a hole punched in a rabbit's ear, so that tissue will grow to fill the defect between two transparent plates; if the distance between the plates is small, the living tissue can be studied microscopically. (05 Mar 2000) |
| sandnecker | <zoology> A European flounder (Hippoglossoides limandoides). Synonym: rough dab, long fluke, sand fluke, and sand sucker. Source: Websters Dictionary (01 Mar 1998) |
| sandpaper disks | Disk's of paper coated with various grits of silica; used to abrade or smooth the surface of teeth or dental materials. (05 Mar 2000) |
| sandpaper gallbladder | A roughened condition of the mucous membrane of the gallbladder, associated usually with the presence of gallstones. (05 Mar 2000) |