| exarteritis | Inflammation of the adventitia of an artery. Synonym: exarteritis. (05 Mar 2000) |
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| exarticulate | <entomology> Having but one joint; said of certain insects. Origin: Pref. Ex- + articulate. Source: Websters Dictionary (01 Mar 1998) |
| exarticulation | Synonym: disarticulation. Origin: L. Ex, out, + articulus, joint (05 Mar 2000) |
| exaspidean | <ornithology, zoology> Having the anterior scute extending around the tarsus on the outer side, leaving the inner side naked; said of certain birds. Origin: Gr. Out +,a shield. Source: Websters Dictionary (01 Mar 1998) |
| excalation | Absence, suppression, or failure of development of one of a series of structures, as of a digit or vertebra. Origin: G. Ex, from, + chalao, to abate, release (05 Mar 2000) |
| excavatio | Synonym: excavation. Origin: L. Fr. Ex-cavo, pp. -cavatus, to hollow out, fr. Ex, out, + cavus, hollow (05 Mar 2000) |
| excavatio disci | The normally occurring depression or pit in the centre of the optic disc. Synonym: excavatio disci, depression of optic disk, excavatio papillae, physiologic cup, physiologic excavation. (05 Mar 2000) |
| excavatio papillae | The normally occurring depression or pit in the centre of the optic disc. Synonym: excavatio disci, depression of optic disk, excavatio papillae, physiologic cup, physiologic excavation. (05 Mar 2000) |
| excavatio rectouterina | <anatomy> A pocket formed by the deflection of the peritoneum from the rectum to the uterus. Synonym: excavatio rectouterina, cavum douglasi, cul-de-sac, Douglas' cul-de-sac, Douglas' pouch, pouch of Douglas, rectovaginouterine pouch. (05 Mar 2000) |
| excavatio rectovesicalis | A pocket formed by the deflection of the peritoneum from the rectum to the bladder in the male. Synonym: excavatio rectovesicalis, Proust's space. (05 Mar 2000) |
| excavatio vesicouterina | uterovesical pouch |
| excavation | 1. A natural cavity, pouch, or recess. Synonym: excavatio. 2. A cavity formed artificially or as the result of a pathologic process. (05 Mar 2000) |
| excavation of optic disc | The normally occurring depression or pit in the centre of the optic disc. Synonym: excavatio disci, depression of optic disk, excavatio papillae, physiologic cup, physiologic excavation. (05 Mar 2000) |
| excavator | 1. An instrument like a large sharp spoon or scoop, used in scraping out pathologic tissue. 2. In dentistry, an instrument, generally a small spoon or curette, for cleaning out and shaping a carious cavity preparatory to filling. (05 Mar 2000) |
| exceed | 1. To go too far; to pass the proper bounds or measure. "In our reverence to whom, we can not possibly exceed." "Forty stripes he may give him, and not exceed." (Deut. Xxv. 3) 2. To be more or greater; to be paramount. Source: Websters Dictionary (01 Mar 1998) |