| ES | ejection sound; elastic stocking; electrical stimulus, electrical stimulation; electroshock; emergen... |
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| EWS | Ewing sarcoma |
| EWSR | Ewing sarcoma breakpoint region |
| IESS | Intergroup Ewing Sarcoma Study |
| E.S. | Ewing sarcoma |
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| ESFT | Ewing sarcoma family of tumors |
| ET | Ewing tumor |
| ES | Ewing's Sarcoma |
| EES | Extra-skeletal Ewing's Sarcoma |
| Roach, F Ewing | <person> U.S. Prosthodontist, 1868-1960. See: Roach clasp. (05 Mar 2000) |
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| roach | <zoology> A cockroach. 1. <zoology> A European fresh water fish of the Carp family (Leuciscus rutilus). It is silver-white, with a greenish back. An American chub (Semotilus bullaris); the fallfish. The redfin, or shiner. 2. A convex curve or arch cut in the edge of a sail to prevent chafing, or to secure a better fit. As sound as a roach [roach perhaps being a corruption of a F. Roche a rock], perfectly sound. Origin: OE. Rroche; cf. AS. Reohha, D. Rog, roch, G. Roche, LG. Ruche, Dan. Rokke ray, Sw. Rocka, and E. Ray a fish. Source: Websters Dictionary (01 Mar 1998) |
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| roach-backed | Having a back like that of roach; said of a horse whose back a convex instead of a concave curve. Source: Websters Dictionary (01 Mar 1998) |
| Roach clasp | A clasp whose arms are bar-type extensions from major connectors or from within the denture base; the arms pass adjacent to the soft tissues and approach the point of contact on the tooth in a gingivo-occlusal direction, a clasp consisting of two or more separate arms located opposite to each other on the tooth; the bar arms arise from the framework or from a connector and may traverse the soft tissue; one arm (bar), the retentive arm, usually terminates in the infrabulge (gingival convergence) area of the tooth; the other, the reciprocal arm, usually terminates on the suprabulge (occlusal convergence) area. Synonym: Roach clasp. (05 Mar 2000) |
| sarcoma, ewing's | A malignant tumour of the bone which always arises in the medullary tissue, occurring more often in cylindrical bones. There are conspicuous foci of necrosis in association with irregular masses of small, regular, rounded or ovoid cells with very scanty cytoplasm. The tumour occurs usually before the age of 20, about twice as frequently in males as in females. (12 Dec 1998) |
| Ewing, James | <person> U.S. Pathologist, 1866-1943. See: Ewing's sarcoma, Ewing's tumour. (05 Mar 2000) |
| Ewing, James H | <person> Pathologist, 1798-1827. See: Ewing's sign. (05 Mar 2000) |
| ewing sarcoma | <radiology> Small, round-cell sarcoma of mesenchyme of medullary bone, age 5 - 14 yrs, most lethal of all primary bone tumours, any bone, less than 20 years of age: long bones, greater than 20 years of age: flat bones (where there's still red marrow), purely lytic (62%), purely sclerotic (15%), periosteal reaction (onion-skin or perpendicular), similar lesion at different age, less than 5 years of age -- neuroblastoma, greater than 30 years of age -- metastasis, reticulum cell sarcoma (12 Dec 1998) |
| Ewing's sarcoma | <oncology, tumour> A malignant primary bone tumour that arises most commonly in the first three decades of life. It is highly malignant (prone to spread) and often requires treatment with some combination of radiation therapy and chemotherapy. (27 Sep 1997) |
| Ewing's sign | <clinical sign> Dullness on percussion to the inner side of the angle of the left scapula, denoting an accumulation of fluid in the pericardium behind the heart, tenderness at the upper inner angle of the orbit at the point of attachment of the pulley of the superior oblique muscle, denoting closure of the outlet of the frontal sinus. (05 Mar 2000) |
| Ewing's tumour | A malignant primary bone tumour that arises most commonly in the first three decades of life. It is highly malignant (prone to spread) and often requires treatment with some combination of radiation therapy and chemotherapy. (27 Sep 1997) |
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