| coarct | To restrict or press together. Synonym: coarctate. Origin: L. Co-arcto, pp. -arctatus, to press together (05 Mar 2000) |
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| coarctate | Synonym: coarct. 2. Pressed together. (05 Mar 2000) |
| coarctate retina | An obsolete term for a ringlike effusion of fluid between the choroid and retina, giving the latter a funnel shape. (05 Mar 2000) |
| coarctation | <cardiology, embryology> A narrowing of the passageway of a blood vessel, such as coarctation of the aorta, a congenital condition. (27 Sep 1997) |
| coarctation of the aorta | <cardiology, embryology, paediatrics> A congenital heart defect that results in the narrowing of the lumen of the aorta. The narrowing occurs most often distal to the origin of the left subclavian artery. Coarctation occurs in approximately 7% of patients with congenital heart disease and is twice as common in males. Surgical correction is most often required. Symptoms include headaches, dizziness, fainting, nosebleeds, diminished pulses in lower extremities and muscle cramps in legs with activity. There may be no symptoms in some individuals. (27 Sep 1997) |
| coarctectomy | Excision of a coarctation (of the aorta). (05 Mar 2000) |
| coarctotomy | Division of a stricture. Origin: coarct + G. Tome, cutting (05 Mar 2000) |