The First Metacarpal is the Thumb First Phalange: EvoDevo Implications

dc.creatorValenzuela,Carlos, Y
dc.creatorBerríos-Loyola,R
dc.creatorCanals,M
dc.date2009-12-01
dc.date.accessioned2017-03-07T16:22:57Z
dc.date.available2017-03-07T16:22:57Z
dc.identifierhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400004
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/400641
dc.descriptionWe examined the status of the first metacarpal bone whose shape, fetal and post-natal development correspond to those of the thumb proximal phalanx. Galen already described this, circa 170 CE. Our radiographic data confirm that the pre-axial (radial or anterior) side of the hand matures, later than the post-axial (ulnar or posterior) side, both, pre- and post-natally. A new perspective on thumb primate and human ontogeny is discussed and comparative observations on the Evolutionary Development (EvoDevo) of the thumb and the first toe are proposed along with a nomenclature honoring Galen's original proposition.
dc.formattext/html
dc.languageen
dc.publisherSociedad Chilena de Anatomía
dc.sourceInternational Journal of Morphology v.27 n.4 2009
dc.subjectBone maturity
dc.subjectThumb EvoDevo
dc.subjectFirst metacarpal
dc.subjectThumb's first phalanx
dc.titleThe First Metacarpal is the Thumb First Phalange: EvoDevo Implications
dc.typeArtículos de revistas


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