File:Chicken GIT peristalsis movie 01.mp4

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Chicken_GIT_peristalsis_movie_01.mp4(file size: 6.19 MB, MIME type: video/mp4)

PLoS One. 2017 Feb 21;12(2):e0172511. doi: 10.1371/journal.pone.0172511. eCollection 2017. Emergence and development of gut motility in the chicken embryo.

Chevalier NR1, Fleury V1, Dufour S2, Proux-Gillardeaux V3, Asnacios A1. Author information Abstract The gastrointestinal tract transports the food bolus by peristalsis. Gut motility starts at an early age in the developing embryo, well before it is required for nutrition of the organism. We present a comprehensive kinematic study of the emergence and physiological development of gut motility in all regions of the lower digestive tract of the chicken embryo from embryonic days E5 through E9. We characterized motility emergence time, propagation patterns, speed, frequency and amplitude of peristalsis waves. We found that the emergence of an uninterrupted circular ring of smooth muscle correlated with the appearance of propagative contractile waves, at E6 in the hindgut and midgut, and at E9 in the caecal appendix. We show that peristalsis at these stages is critically dependent on calcium and is not mediated by neurons as gut motility is insensitive to tetrodotoxin and takes place in the hindgut in the absence of neurons. We further demonstrate that motility also matures in ex-vivo organ culture. We compare our results to existing literature on zebrafish, mouse and human motility development, and discuss their chronological relationship with other major developmental events occurring in the chicken embryonic gut at these stages. Our work sets a baseline for further investigations of motility development in this important animal model. PMID: 28222167 PMCID: PMC5319669 DOI: 10.1371/journal.pone.0172511

Reference

<pubmed>28222167</pubmed>

Chevalier NR, Fleury V, Dufour S, Proux-Gillardeaux V, Asnacios A (2017) Emergence and development of gut motility in the chicken embryo. PLoS ONE 12(2): e0172511. https://doi.org/10.1371/journal.pone.0172511

Copyright

© 2017 Chevalier et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


S1_Video_Chick_peristalsis_in_E8_jejunum.mp4


Cite this page: Hill, M.A. (2024, June 24) Embryology Chicken GIT peristalsis movie 01.mp4. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Chicken_GIT_peristalsis_movie_01.mp4

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