. The development of the chick; an introduction to embryology. Birds -- Embryology. !â â â '.: â â â â 'â â ^'Ji -.â 'â¢â 'jrC'^ Fig. 181. â Photograph of a transverse section through the oesopha- gus and trachea of an 8-day chick. Cop. H., Copula of the hyoid. ffis., Oesophagus. Tr., Trachea. Ven. jug., Jugular vein. extends only a short distance behind the glottis: it is com- pressed dorso-ventrally and extended laterally throughout the occluded region (Fig. 181). On the eleventh day it is open again along its entire length. The crop arises as a spindle-shaped dila- tation of the oesophagus
. The development of the chick; an introduction to embryology. Birds -- Embryology. !â â â '.: â â â â 'â â ^'Ji -.â 'â¢â 'jrC'^ Fig. 181. â Photograph of a transverse section through the oesopha- gus and trachea of an 8-day chick. Cop. H., Copula of the hyoid. ffis., Oesophagus. Tr., Trachea. Ven. jug., Jugular vein. extends only a short distance behind the glottis: it is com- pressed dorso-ventrally and extended laterally throughout the occluded region (Fig. 181). On the eleventh day it is open again along its entire length. The crop arises as a spindle-shaped dila- tation of the oesophagus at the base of the neck; on the eighth day it is about double the diameter of the parts immediately. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lillie, Frank Rattray, 1870-1947. New York, Holt
Size: 2058px × 1215px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlilliefrankrattray187, bookcentury1900, bookdecade1900
