aneuria

(ah-nu’re-ah) (Gr. a neg. + νεῦρον nerve]. Failure or lack of nervous energy. aneuric (ah-nu’rik). Affected with aneuria. aneurysm, aneurism (an’u-rizm) (Gr. ἀνεύρυσμα a widening]. A sac formed by the dilatation of the walls of an artery and filled with blood. The chief symptoms of aneurysm are the formation of a pulsating tumor, a peculiar bruit (aneurysmal bruit) heard over the swelling, and pre ure symptoms, consisting of pain and paralysis from pre ure on nerves and absorption of contiguous parts. abdominal a., an aneurysm of the abdominal aorta. ampullary a. Same as sacculated a. a. by anastomosis, a. an as to mot’ica, a dilatation of several arteries which forms a pulsating tumor under the skin. aortic a., aneurysm of the aorta. arteriovenous a., the rupture simultaneously of an artery and a vein in which the blood flows directly into a neighboring vein (aneurysmal varix) or else is carried into such a vein by a connecting sac (varicose aneurysm). axial a., an ancurysm in which the entire circumference of the ve el is dilated. axil a., aneurysm of the axillary artery. Bérard’s a., a varicose aneurysm in the ti ues around a vein. bone-a., a pulsating vascular tumor of a bone. branch- &., a cirsoid aneurysm. cardiac a., aneurysmal dilatation of the heart, or of one of its chambers. cirsoid a., the dilatation and tortuous lengthening of a part of an artery. compound a., one in which some of the coats are ruptured and others mercly dilated. consecutive a., one in which all the exterior coats are ruptured and the surrounding ti ues are infiltrated: called also diffuse a. cylindroid a., the uniform dilatation of a considerable part of an artery: called also tubular a. cystogenic &., one formed by the rupture of a cyst into an artery. diffuse a. See consecutive a. di ecting a., one in which the blood is forced between * the coats of an artery. ectatic a., one formed by distention of a section of an artery without rupture of any of its coats. embolic a., one caused by embolism. embolomycotic a., ancurysm due to embolism from some vegetative condition in the heart. endogenous a., one due to disease of the coats of the ve el. exogenous @., one that is due to a wound or to violence. external a., one not situated in a body cavity. false a., one in which all the coats are ruptured and the blood is retained by the surrounding ti ues. fusiform a., a spindle-shaped arterial dilatation. hernial a., one in which the sac is formed by an inner coat projecting through the outer. innominate a., ancurysm of the innominate artery. internal a., one situated in any one of the body cavities. intracranial ANGELICA @., any aneurysm situated within the cranium. late @., one that projects from one side of an artery. medical a., a deep-seated aneurysm (as in the thorax) not acce ible by a surgical opera-