| exudative retinitis | Retinitis exudativa, a chronic abnormality characterised by deposition of cholesterol and cholesterol esters in outer retinal layers and subretinal space. In adults, often preceded by uveitis; in children, often preceded by retinal vascular abnormalities. Synonym: Coats' disease. (05 Mar 2000) |
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| exudative tuberculosis | A stage of infection with Mycobacterium tuberculosis causing severe oedema and cellular inflammatory reaction without much necrosis or fibrosis. (05 Mar 2000) |
| exudative vitreoretinopathy | <ophthalmology> A familial, slowly progressive ocular disease; characterised by posterior vitreous detachment, vitreous membranes, heterotopia of macula, retinal detachment, neovascularization, and recurrent haemorrhage. (06 Mar 2000) |
| exude | In general, to ooze or pass gradually out of a body structure or tissue; more specifically, restricted to a fluid or semisolid that so passes and may become encrusted or infected, because of injury or inflammation. Origin: L. Ex, out, + sudo, to sweat (05 Mar 2000) |
| exulcerans | Ulcerating. (05 Mar 2000) |
| exult | To be in high spirits; figuratively, to leap for joy; to rejoice in triumph or exceedingly; to triumph; as, an exulting heart. "An exulting countenance." "The dumb shall sing, the lame his crutch forego, And leap exulting like the bounding roe." (Pope) Origin: L. Exultare, exsultare, exultatum, exsultatum, to leap vigorously, to exult, intens. Fr. Exsilire to spring out or up; ex out + salire to spring, leap: cf. F. Exulter. See Salient. Source: Websters Dictionary (01 Mar 1998) |
| exumbilication | An umbilical hernia or omphalocele. Origin: L. Ex, out, + umbilicus, navel (05 Mar 2000) |
| exutory | <medicine> An issue. Origin: Cf. F. Exutoire. See Exuve. Source: Websters Dictionary (01 Mar 1998) |
| exuviability | Capability of shedding the skin periodically. Source: Websters Dictionary (01 Mar 1998) |
| exuviae | 1. <zoology> Cast skins, shells, or coverings of animals; any parts of animals which are shed or cast off, as the skins of snakes, the shells of lobsters, etc. 2. <geology> The fossil shells and other remains which animals have left in the strata of the earth. Origin: L, fr. Exuere to draw out or off, to pull off. Source: Websters Dictionary (01 Mar 1998) |
| exuviate | <zoology> To shed an old covering or condition preliminary to taking on a new one; to molt. "There is reason to suppose that very old crayfish do not exuviate every year." (Huxley) Origin: From Exuviae. Source: Websters Dictionary (01 Mar 1998) |
| exuviation | <zoology> The rejecting or casting off of some part, more particularly, the outer cuticular layer, as the shells of crustaceans, skins of snakes, etc.; molting; ecdysis. Source: Websters Dictionary (01 Mar 1998) |