File:Congdon1922-27-28.jpg: Revision history

22 January 2020

• curprev 10:1910:19, 22 January 2020‎ Z8600021 talk contribs‎ m 565 bytes 0‎ →‎Figs. 27 and 28. Stages in the Formation of the Vertebral Artery
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19 February 2019

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4 May 2014

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1 September 2012

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7 May 2011

• curprev 17:5917:59, 7 May 2011‎ S8600021 talk contribs‎ 436 bytes +436‎ ==Figs. 27 and 28. Stages in the formation of the vertebral artery== In figure 27 (embryo No. 721, 9 mm.), two segmental arteries arc interrupted but no anastomoses have yet formed between them. In figure 28 (embryo No. 143, 9 mm.), retrocostal anastom