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apex |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson | 0.03 sec. |
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apex 1. the highest point; vertex 2. Astronomy the point on the celestial sphere, lying in the constellation Hercules, towards which the sun appears to move at a velocity of 20 kilometres per second relative to the nearest stars apex [′ā‚peks] (anatomy) The upper portion of a lung extending into the root. The pointed end of the heart. The tip of the root of a tooth. (botany) The pointed tip of a leaf. (engineering) In architecture or construction, the highest point, peak, or tip of any structure. (geology) The part of a mineral vein nearest the surface of the earth. (mathematics) The vertex of a triangle opposite the side which is regarded as the base. The vertex of a cone or pyramid. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Over the cardiac apex, a grade 5/6 proto-mesosystolic murmur was audible. Such myocardial calcification appears as a thin, curvilinear mass, usually found within the periphery of the infarct, in the distribution of the interven-tricular septum and cardiac apex. Abnormal localization of the cardiac apex, a common atrioventricular canal, anomalous systemic venous return (eg, bilateral superior vena cava, interruption of the inferior vena cava with azygos continuation), atrial and ventricular malformations and septal defects, absent coronary sinus, malpo sition or transposition of the great arteries, pulmonic stenosis, pulmonary atresia, patent ductus arteriosus, and anomalous pulmonary venous connection have often been described. |
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