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Pronunciation: fa'langks, fa-langks'; fa-lan'jis; -jez


  1. One of the long bones of the digits, 14 in number for each hand or foot, including two for the thumb or great toe, and three each for the other four digits; designated as proximal, middle, and distal, beginning from the metacarpus.
  2. One of a number of cuticular plates, arranged in several rows, on the surface of the spiral organ (of Corti), which are the heads of the outer row of pillar cells and of phalangeal cells; between them are the free ends of the hair cells.

[L. fr. G. phalanx (-ang-), line of soldiers, bone between two joints of the fingers and toes]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.