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Fig. 7. Origin of the Pulmonary Vessels in the Chick

From an injected embryo of 35 somites, 55 hours' incubation, dissected by the paraffin method.

The lung consists of a simple ventral diverticulum beginning to show lateral swellings into right and left primary buds. The common pulmonary vein opens into the sinus at the level of the lung rudiment. It drains the capillaries of both cephalic and post-caval portions of the splanchnic plexus. The anastomoses between the plexus and the cardinal veins are established. The pulmonary arches are not formed, although the dorsal and ventral primordia of the arch are indicated by the blind pouches. The cranial end of the pulmonary artery is now easily recognized in the capillary plexus.

1922 Chicken Pulmonary: Fig 1 | Fig 2 | Fig 3 | Fig 4 | Fig 5 | Fig 6 | Fig 7 | Fig 8 | Fig 9 | Fig 10 | Plate 1 | Plate 2 | Carnegie No.66 | Chicken Development | Respiratory


Links: Carnegie Institution of Washington - Contributions to Embryology | Chicken Development | Respiratory System Development


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current17:21, 23 January 2013Thumbnail for version as of 17:21, 23 January 20131,200 × 878 (195 KB)Z8600021 (talk | contribs)JP2 figure scan
13:23, 29 March 2011Thumbnail for version as of 13:23, 29 March 2011548 × 449 (49 KB)S8600021 (talk | contribs) ==Origin of the Pulmonary Vessels in the Chick - Fig. 7== {{Template:Historic Disclaimer}} From an injected embryo of 35 somites, 55 hours' incubation, dissected by the paraffin method. The lung consists of a simple ventral diverticulum beginning to