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Summary

Description
English: Somites are formed in the PSM through interactions between the somitogenesis clock and other factors. These oscillations form prospective somite boundaries, which eventually form somites. The oscillations frequency is 4 times higher in snakes than in mice, resulting in the production of more but smaller sized somites in the snake. This acceleration of the somitogenesis clock is presumably responsible for most of the increase in the snake’s vertebral number. Picture and Caption Information sourced from below publication[1]
Date
Source From Lizard to Snake; Behind the Evolution of an Extreme Body Plan
Author Joost M Woltering

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  1. "From Lizard to Snake; Behind the Evolution of an Extreme Body Plan". Current Genomics 13 (4): 289–299. DOI:10.2174/138920212800793302.

Captions

Shows the production of somites at the PSM due to differential 'clock oscillations' between Mice and Snakes

Items portrayed in this file

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1 June 2012

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757582d6bf50fdfa5d7168337284bfe9f46f749c

80,061 byte

447 pixel

775 pixel

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current15:38, 24 April 2022Thumbnail for version as of 15:38, 24 April 2022775 × 447 (78 KB)BarrowqaUploaded a work by Joost M Woltering from From Lizard to Snake; Behind the Evolution of an Extreme Body Plan with UploadWizard

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