| ectasia ventriculi paradoxa | A condition in which there is a central constriction of the wall of the stomach dividing it into two cavities, cardiac and pyloric. Synonym: bilocular stomach, ectasia ventriculi paradoxa. Leather-bottle stomach, marked thickening and rigidity of the stomach wall, with reduced capacity of the lumen although often without obstruction; nearly always due to scirrhous carcinoma, as in linitis plastica. Synonym: sclerotic stomach. (05 Mar 2000) |
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| ectatic | Relating to, or marked by, ectasis. (05 Mar 2000) |
| ectatic aneurysm | An aneurysm in which all the coats of the artery, though stretched, are unruptured. (05 Mar 2000) |
| ectatic emphysema | Obstructive airway disease with areas of dilatation of alveoli acini. Seen primarily in association with inherited deficiency of alpha-1 protease inhibitor. See: panlobular emphysema. (05 Mar 2000) |
| ectatic marginal degeneration of cornea | Bilateral opacification and vascularization of the periphery of the cornea, progressing to formation of a gutter and ectasia. Synonym: ectatic marginal degeneration of cornea. (05 Mar 2000) |
| ectental | <biology> Relating to, or connected with, the two primitive germ layers, the ectoderm and ectoderm; as, the "ectental line" or line of juncture of the two layers in the segmentation of the ovum. Origin: Gr. Outside + inside. Source: Websters Dictionary (01 Mar 1998) |
| ecteron | <anatomy> The external layer of the skin and mucous membranes; epithelium; ecderon. Ecteron"ic. See: Ect-. Source: Websters Dictionary (01 Mar 1998) |
| ectethmoid | <anatomy> External to the ethmoid; prefrontal. Origin: Ect- + ethmoid. Source: Websters Dictionary (01 Mar 1998) |
| ecthoreum | Origin: NL, fr. Gr. To leap out; out +, to leap, dart. <zoology> The slender, hollow thread of a nettling cell or cnida. See Nettling cell. Alternative forms: ecthoraeum. Source: Websters Dictionary (01 Mar 1998) |
| ecthyma | Origin: NL, fr. Gr. Pimple, fr. To break out. <medicine> A cutaneous eruption, consisting of large, round pustules, upon an indurated and inflamed base. Source: Websters Dictionary (01 Mar 1998) |
| ecthyma gangrenosum | A bullous or pustular eruption, of uncertain origin, followed by necrotic ulcers or extensive gangrene in children under 2 years of age; if untreated, death may result from haematogenous infection, such as liver abscess. Synonym: disseminated cutaneous gangrene, ecthyma gangrenosum, pemphigus gangrenosus, rupia escharotica. (05 Mar 2000) |
| ecthyma, contagious | An infectious dermatitis of sheep and goats, affecting primarily the muzzle and lips. It is caused by a poxvirus and may be transmitted to man. (12 Dec 1998) |
| ecthymatiform | Ecthymiform Resembling ecthyma. (05 Mar 2000) |
| ecthymatous syphilid | A type of pustular eruption occurring in secondary syphilis. Synonym: acne syphilitica, acneform syphilid, ecthymatous syphilid, impetiginous syphilid, varioliform syphilid. (05 Mar 2000) |
| ectiris | The outer layer of the iris. Origin: G. Ektos, outside, + iris (05 Mar 2000) |