File:Waterston19.jpg

Fig. 19. Model after removal of the heart.

Wax-plate reconstruction model in fig.17, after removal of the heart.

Legend

• A, Right duct. of Cuvier
• B, sinus venosus
• C, body wall
• D, floor of pericardium (septum trans- versum)
• E, left duct of Cuvier
• F, left portion of atrium
• G, dorsal mesocardium. The pericardio-peritorieal connexions lie behind B and medial to F respectively.

Carnegie Staging Comparison: A 27 somite stage embryo would be similar to a Carnegie stage 12 (26 - 30 days), caudal neuropore closes, Somite Number 21-29.

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Historic Paper Links: 13-14 Somites | 22 Somites | 23 Somites | 25 Somites | 27 Somites | Mall Human Embryo Collection | Embryology History | Carnegie stage 11 | Carnegie stage 12 | Journal of Anatomy | Embryonic Development | Category:Historic Embryology

Reference

<pubmed>17233016</pubmed>| PMC1288995