File:Congdon1922-29.jpg: Revision history

From Embryology

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22 January 2020

19 February 2019

1 September 2012

  • curprev 16:0016:00, 1 September 2012Z8600021 talk contribs 413 bytes +413 ===Figs. 29 === Ventral and lateral views of the cranial portion of the arterial system of a 22-somite embryo. The first arch is at its maximum development and the dorsal and ventral outgrowths, which are to aid in the formation of the second, are just a