2012
DOI: 10.4067/s0717-95022012000400006
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Desarrollo del Aparato Digestivo

Abstract: RESUMEN:El aparato digestivo deriva del endodermo y el mesodermo, que forman su epitelio y la musculatura lisa respectivamente. Al igual que en el resto de los sistemas, existe un interacción epitelio-mesenquimática mediada por moléculas como Hedgehog, BMP y FoxF1 que determinan el crecimiento intestinal en sus ejes principales. Los genes Hox, junto con el resto de las moléculas, participan en la regionalización del sistema digestivo. En sus inicios lo denominaremos intestino primitivo, formado por un tubo end… Show more

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Cited by 8 publications
(6 citation statements)
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“…It was only possible to observe the alginate beads in the crop of chickens sacrificed 1 h after administration. These results are in agreement with the literature, indicating that there exists a decrease in particle size of chicken feed caused by the process of crushing and maceration by the gizzard [66,67]. Besides, Amerah et al [56] determined that the food should have a particle size < 0.1 mm to reach the duodenum.…”
Section: Degradation Of the Alg Beads And Phage S1 Releasesupporting
confidence: 89%
“…It was only possible to observe the alginate beads in the crop of chickens sacrificed 1 h after administration. These results are in agreement with the literature, indicating that there exists a decrease in particle size of chicken feed caused by the process of crushing and maceration by the gizzard [66,67]. Besides, Amerah et al [56] determined that the food should have a particle size < 0.1 mm to reach the duodenum.…”
Section: Degradation Of the Alg Beads And Phage S1 Releasesupporting
confidence: 89%
“…El no evidenciar una relación entre la presencia del quiste hepático simple múltiple y la litiasis vesicular quizás se deba a que las vías biliares intrahepáticas y la vesícula biliar tienen orígenes embriogénicos diferentes, porque las vías biliares intrahepáticas se forman a partir de la yema craneal del divertículo hepático y la vesícula biliar a partir de la yema caudal (20) . Y esto podría ser causa para la ausencia de esta relación.…”
Section: Discussionunclassified
“…At birth, the digestive tract is still immature and its development continues during the first year of life. The formation of the digestive system begins in the fourth week of intrauterine life from structures of the mesoderm and endoderm, with the dorsal part of the yolk sac giving rise to the primitive intestine that divides into the anterior, middle and posterior portions and forms the rest structures, evolving maturation in the craniocaudal direction [3]. On that same occasion, the tongue starts to be formed from the floor of the pharynx and, in the following weeks, the palate begins to be molded from the maxillary processes, completing its fusion around the 12th week.…”
Section: Embryologymentioning
confidence: 99%