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apex |
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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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| Contrast-enhanced magnetic resonance imaging (MRI) of the brain demonstrated enhancement of the dura along the planum sphenoidale, the anterior frontal lobes bilaterally, and the orbital apices bilaterally (figure 1). utilise stethoscope to listen for air entry in the apices, mid-zone and bases: All basalt chemical compositions can be plotted in the basalt tetrahedron, which has normative quartz, olivine, nepheline and augite at the apices. |
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