| ejecta | Synonym: ejection. Origin: L. Ntr. Pl. Of ejectus, pp. Of ejicio, to throw out (05 Mar 2000) |
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| ejection | 1. The act of ejecting or casting out; discharge; expulsion; evacuation. "Vast ejection of ashes." . "The ejection of a word." 2. <physiology> The act or process of discharging anything from the body, particularly the excretions. 3. The state of being ejected or cast out; dispossession; banishment. Origin: L. Ejectio: cf. F. Ejection. Source: Websters Dictionary (01 Mar 1998) |
| ejection fraction | <cardiology> A measure of ventricular contractility, equal to normally 65 |
| ejection murmur | A diamond-shaped systolic murmur produced by the ejection of blood into the aorta or pulmonary artery and ending by the time of the second heart sound component produced, respectively, by closing of the aortic or pulmonic valve. (05 Mar 2000) |
| ejection period | The period in the cardiac cycle when the semilunar valves are open and blood is being ejected from the ventricles into the arterial system. Synonym: ejection period. (05 Mar 2000) |
| ejection sounds | Click-like sounds during ejection from a hypertensive aorta or pulmonary artery or associated with stenosis (particularly congenital) of the aortic or pulmonic valve. (05 Mar 2000) |
| ejector | 1. One who, or that which, ejects or dispossesses. 2. <mechanics> A jet jump for lifting water or withdrawing air from a space. <engineering> Ejector condenser, a condenser in which the vacuum is maintained by a jet pump. Source: Websters Dictionary (01 Mar 1998) |