| guttate choroidopathy | An obsolete term for macular drusen. (05 Mar 2000) |
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| guttation | Formation of drops of water on plants from moisture in air. The process of water being exuded from hydathodes at the enlarged terminations of veins around the margins of the leaves. (09 Oct 1997) |
| guttatrap | The inspissated juice of a tree of the genus Artocarpus (A. Incisa, or breadfruit tree), sometimes used in making birdlime, on account of its glutinous quality. Source: Websters Dictionary (01 Mar 1998) |
| gutter | 1. A channel at the eaves of a roof for conveying away the rain; an eaves channel; an eaves trough. 2. A small channel at the roadside or elsewhere, to lead off surface water. "Gutters running with ale." (Macaulay) 3. Any narrow channel or groove; as, a gutter formed by erosion in the vent of a gun from repeated firing. Gutter member, one of the pieces of furniture which separate pages in a form. Origin: OE. Gotere, OF. Goutiere, F. Gouttiere, fr. OF. Gote, goute, drop, F. Goutte, fr. L. Gutta. Source: Websters Dictionary (01 Mar 1998) |
| gutter dystrophy of cornea | A marginal furrow usually inferiorly about 1 mm from the limbus; and sometimes bilateral. Synonym: keratoleptynsis. (05 Mar 2000) |
| gutter fracture | A long, narrow, depressed fracture of the skull. (05 Mar 2000) |
| gutter wound | A tangential wound that makes a furrow without perforating the skin. Synonym: crease wound, glancing wound. (05 Mar 2000) |
| guttifer | <botany> A plant that exudes gum or resin. Origin: NL, fr. L. Gutta drop+ ferre to bear. Source: Websters Dictionary (01 Mar 1998) |
| guttiferous | <botany> Yielding gum or resinous substances. Pertaining to a natural order of trees and shrubs (Guttiferae) noted for their abounding in a resinous sap. Source: Websters Dictionary (01 Mar 1998) |
| guttural | Relating to the throat. (05 Mar 2000) |
| guttural duct | A tube leading from the tympanic cavity to the nasopharynx; it consists of an osseous (posterolateral) portion at the tympanic end, and a fibrocartilaginous (anteromedial) portion at the pharyngeal end; where the two portions join, in the region of the sphenopetrosal fissure, is the narrowest portion of the tube (isthmus); the auditory tube enables equalization of pressure within the tympanic cavity with ambient air pressure, referred to commonly as "popping of the ears". Synonym: tuba auditiva, tuba auditoria, eustachian tube, guttural duct, otopharyngeal tube, otosalpinx, pharyngotympanic tube, salpinx, tuba acustica, tuba eustachiana, tuba eustachii. (05 Mar 2000) |
| guttural pouch | A structure in the horse which is a diverticulum of the auditory (eustachian) tube; subject to chronic infections and inflammation and frequently necessitating surgery for relief. Hartmann's pouch, a spheroid or conical pouch at the junction of the neck of the gallbladder and the cystic duct. Synonym: ampulla of gallbladder, fossa provesicalis, pelvis of gallbladder. Heidenhain pouch, a small sac or pouch of the stomach, vagally denervated and closed off from the main cavity but with an opening through the abdominal wall, fashioned for the purpose of obtaining gastric juice and for studying gastric secretion in physiologic experiments. (05 Mar 2000) |
| guttural pulse | A pulsation felt in the throat. (05 Mar 2000) |
| guttural rale | Sound heard over the lung but resulting from upper airway obstruction. (05 Mar 2000) |
| gutturotetany | Laryngeal spasm causing a temporary stutter. Origin: L. Guttur, throat, + G. Tetanos, convulsive tension (05 Mar 2000) |