| hexamine | <chemical> An antibacterial agent most commonly used in the treatment of urinary tract infections. Its antibacterial action derives from the slow release of formaldehyde by hydrolysis at acidic pH. Pharmacological action: anti-infective agents, urinary. Chemical name: 1,3,5,7-Tetraazatricyclo(3.3.1.13,7)decane (12 Dec 1998) |
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| Hexamita | A genus of protozoan flagellates (order Diplomonadida, class Zoomastigophorea), related to Giardia; they are parasitic in the small intestine of many gallinaceous birds and of certain mammals. Hexamita meleagridis is a species that occurs in the turkey, peafowl, pheasant, quail, and Chukkar partridge; it is most pathogenic in turkeys, causing outbreaks of hexamitiasis. Origin: hexa-+ G. Mitos, thread (05 Mar 2000) |
| hexamitiasis | An infectious catarrhal enteritis of turkeys, quail, Chukkar partridges, and other gallinaceous birds caused by Hexamita meleagridis and manifested as diarrhoea. Adult birds are symptomless carriers, but poults under 10 weeks often are severely affected. (05 Mar 2000) |
| hexandria | <botany> A Linnaean class of plants having six stamens. Origin: NL, fr. Gr. Six +, a man, male: cf. F. Hexandrie. Source: Websters Dictionary (01 Mar 1998) |
| hexane | <chemistry> Any one of five hydrocarbons, C6H14, of the paraffin series. They are colourless, volatile liquids, and are so called because the molecule has six carbon atoms. Origin: Gr. Six. Source: Websters Dictionary (01 Mar 1998) |
| hexanes | Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning. (12 Dec 1998) |
| hexanoate | A salt or ester of caproic acid. Synonym: hexanoate. (05 Mar 2000) |
| hexanols | Isomeric forms and derivatives of hexanol (c6h11oh). (12 Dec 1998) |
| hexanones | 6-carbon straight-chain or branched ketones. (12 Dec 1998) |
| hexanoyl | The acyl radical of caproic acid. Synonym: hexanoyl. (05 Mar 2000) |
| hexapeptide | A peptide containing six amino acid residues. (05 Mar 2000) |
| hexapetalous | <botany> Having six petals. Origin: Hexa- + petal: cf. F. Hexapetale. Source: Websters Dictionary (01 Mar 1998) |
| hexaphyllous | <botany> Having six leaves or leaflets. Origin: Hexa- + Gr. A leaf: cf. F. Hexaphylle. Source: Websters Dictionary (01 Mar 1998) |
| hexaploidy | See: polyploidy. (05 Mar 2000) |
| hexapod | Having six feet. <zoology> An animal having six feet; one of the Hexapoda. Origin: Gr, sixfooted; six +, foot: cf. F. Hexapode. Source: Websters Dictionary (01 Mar 1998) |