1951 March, J. H. Lehmann, A. D. Johnson, W. C. Bridges, J. Michel, D. M. Green, “Cardiac Catheterization—A Diagnostic Aid in Congenital Heart Disease”, inNorthwest Medicine, volume50, number 3, Portland, Ore.: Northwest Medical Publishing Association,page175:
B.P. 118/68. Grade I diastolic murmur best heard overapex. Patient well and had no complaints referable to heart. Origin of the diastolic murmur is open to conjecture.
Asharp upwardpoint formed by twostrokes that meet at anacute angle, as in "W", uppercase "A", and closed-top "4", or by atapered stroke, as in lowercase "t".
The pattern has repeated itself more times than you can fathom. Organic civilizations rise, evolve, advance. And at theapex of their glory, they are extinguished.
FromProto-Italic*apeks, fromProto-Indo-European*h₂ep-(“to join, fit”). De Vaan approches this connection with caution since a link withapiō is through some meanings feasible in addition to the observation that mostex, -icis are technical terms withoutIndo-European origin.[1]
^De Vaan, Michiel (2008), “apex, -icis”, inEtymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill,→ISBN,pages46-47
“apex”, inCharlton T. Lewis and Charles Short (1879),A Latin Dictionary, Oxford: Clarendon Press
“apex”, inCharlton T. Lewis (1891),An Elementary Latin Dictionary, New York: Harper & Brothers
"apex", in Charles du Fresne du Cange,Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
