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Cresta Neural

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by

María Morales

on 7 October 2013

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Transcript of Cresta Neural

Derivados del ectodermo:
Endodermo superficial:
Epidermis, pelo, uñas, glándulas sebáceas, epitelio olfativo, bucal, cristalino, cornea.
Cresta neural:
Sistema nervioso periférico (células de Schwann, neurogliales, sistema nervioso simpático y parasimpático), médula suprarrenal, melanocitos, cartilago facial, dentina del diente.
Tubo neural:
Cerebro, neurohipofisis, médula espinal, neuronas motoras y retina.
Introducción a la Cresta Neural
María Camila Morales
Términos Fundamentales
Placa neural:
Derivada del ectodermo dorsal (post. neural)
Neurulación
Tubo neural:
Anterior: Cerebro
Posterior: Médula espinal
Patologías
Tubo neural
Espina bífida
Anencefalia
Cresta Neural
http://learningobjects.wesleyan.edu/neurulation/animation.php
Regulación molecular
Las células de la cresta neural instruyen la expresión génica en los tejidos de alrededor
Las combinaciones de genes Hox expresados por el mesodermo en varias regiones de la migración de la cresta neural especifican los destinos de las células de la cresta.
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