| xerostomia | <symptom> A dryness of the mouth from salivary gland dysfunction, often seen in patients with Sjogren syndrome. (30 Sep 1997) |
|---|---|
| xerotes | Dryness. Origin: G. Xerotes (05 Mar 2000) |
| xerotic | Dry; affected with xerosis. (05 Mar 2000) |
| xerotic degeneration | Scarring of the conjunctiva associated with keratinised epithelium. (05 Mar 2000) |
| xerotic keratitis | Dryness with ulceration and perforation of the cornea, with absence of inflammatory reactions, occurring in cachectic children; results from severe vitamin A deficiency. Synonym: xerotic keratitis. Origin: kerato-+ G. Malakia, softness (05 Mar 2000) |
| xerotripsis | Dry friction. Origin: xero-+ G. Tripsis, a rubbing, fr. Tribo, to rub (05 Mar 2000) |
| Xg antigen | xg blood group |
| xid mouse | <genetics> A lab mouse that has a Y-linked immune deficiency gene. (06 May 1997) |
| xipamide | <chemical> 4-chloro-5-sulfamoyl-2',6'-salicyloxylidide. Sulfamoyl diuretic and saluretic with antihypertensive activity. It is bound to plasma proteins, thus has a delayed onset and prolonged action. Pharmacological action: antihypertensive agents, diuretics, sulfamyl. Chemical name: Benzamide, 5-(aminosulfonyl)-4-chloro-N-(2,6-dimethylphenyl)-2-hydroxy- (12 Dec 1998) |
| xiphias | 1. <zoology> A genus of fishes comprising the common swordfish. 2. <anatomy> The constellation Dorado. A comet shaped like a sword Origin: L, a swordfish, a sword-shaped comet, fr. Gr. Xifias, fr. Xifos a sword. Source: Websters Dictionary (01 Mar 1998) |
| xiphidium | <botany> A genus of plants of the order Haemodraceae, having two-ranked, sword-shaped leaves. Origin: NL, from Gr, dim. Of xifos sword. Source: Websters Dictionary (01 Mar 1998) |
| xiphioid | <zoology> Of, pertaining to, or resembling, a cetacean of the genus Xiphius or family Xiphiidae. Origin: Xiphius. Source: Websters Dictionary (01 Mar 1998) |
| xiphiplastron | Origin: NL, fr. Gr. Xifos a sword + plastron. <anatomy> The posterior, or fourth, lateral plate in the plastron of turtles. Synonym: xiphisternum. Source: Websters Dictionary (01 Mar 1998) |
| xiphisternal | Relating to the xiphoid process. (05 Mar 2000) |
| xiphisternal crunching sound | See: Hamman's sign. (05 Mar 2000) |