| epibranchial | <anatomy> Pertaining to the segment between the ceratobranchial and pharyngobranchial in a branchial arch. An epibranchial cartilage or bone. Origin: Pref. Epi- + branchial. Source: Websters Dictionary (01 Mar 1998) |
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| epibranchial placodes | Ectodermal thickenings associated with the more dorsal parts of the embryonic branchial grooves; their cells are believed to contribute to formation of the cranial ganglia, especially those of nerves IX and X. (05 Mar 2000) |
| epibulbar | Upon a bulb of any kind; specifically, upon the eyeball. (05 Mar 2000) |
| epicalyx | A whorl of bracts, just below a flower, looking like a second calyx. (09 Oct 1997) |
| epicanthal fold | A fold of skin that comes down across the inner angle of the eye. The epicanthal fold is more common in children with Down syndrome and other birth defects than normal children and so is of value in diagnosis. Although some dictionaries state that this eye fold is found in peoples of Asian origin, this is not true. The normal Asian eyefold is continuous with the lower edge of the upper eyelid and actually appears distinctly different than a true epicanthal fold. (12 Dec 1998) |
| epicanthus | A fold of skin that comes down across the inner angle of the eye. The epicanthal fold is more common in children with Down syndrome and other birth defects than normal children and so is of value in diagnosis. Although some dictionaries state that this eye fold is found in peoples of Asian origin, this is not true. The normal Asian eyefold is continuous with the lower edge of the upper eyelid and actually appears distinctly different than a true epicanthal fold. (12 Dec 1998) |
| epicanthus inversus | A crescentic upward fold of skin from the lower eyelid at the inner canthus; frequent in congenital blepharoptosis. (05 Mar 2000) |
| epicanthus palpebralis | Epicanthus arising from the upper lid above the tarsal portion and extending to the lower portion of the orbit. (05 Mar 2000) |
| epicanthus supraciliaris | Epicanthus arising from the region of the eyebrows and extending toward the tear sac. (05 Mar 2000) |
| epicanthus tarsalis | Epicanthus arising from the tarsal fold and disappearing in the skin close to the inner canthus. (05 Mar 2000) |
| epicardia | The portion of the oesophagus from where it passes through the diaphragm to the stomach. Origin: epi-+ G. Kardia, heart (05 Mar 2000) |
| epicardiac | <anatomy> Of or relating to the epicardium. Source: Websters Dictionary (01 Mar 1998) |
| epicardial | 1. Relating to the epicardia. 2. Relating to the epicardium. (05 Mar 2000) |
| epicardial fat sign | <radiology> Two lucent lines on lateral CXR anterior to heart, subepicardial fat around LAD, anterior mediastinal fat, lines seen in 40% of all lateral CXRs, if separation greater than 2 mm most likely to be consider pericardial effusion or thickening (12 Dec 1998) |
| epicardium | The inner lining of the serous pericardium lying directly on the heart, forming the outermost layer of the heart wall. (27 Sep 1997) |