. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. 320 THE DEVELOPMENT OF THE CHICK substance of the liver is derived. A third diverticukim is dis- tinguished by Brouha as the right posterior diverticulum; this is an early outgrowth of the posterior diverticulum. Hepatic cylin- ders arise from both primary diverticula at an early stage, and these, branching and anastomosing, soon form a basket-work of liver tissue around the intermediate portion of the meatus venosus. The anterior diverticulum alone extends forward to the anterior. Fig. 187. — Reco
. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. 320 THE DEVELOPMENT OF THE CHICK substance of the liver is derived. A third diverticukim is dis- tinguished by Brouha as the right posterior diverticulum; this is an early outgrowth of the posterior diverticulum. Hepatic cylin- ders arise from both primary diverticula at an early stage, and these, branching and anastomosing, soon form a basket-work of liver tissue around the intermediate portion of the meatus venosus. The anterior diverticulum alone extends forward to the anterior. Fig. 187. — Reconstruction of gizzard, duodenum, and hepato-pancreatic ducts of a chick embryo of 124 hours. (After Brouha.) D. ch., Ductus choledochus. D. cy., Ductus cys- ticus. D. h. cy., Ductus hepato-cysticus. D. h. d., Dorsal or hepato-enteric duct. Du., Duodenum. G. bl., Gall bladder. Giz., Gizzard. Pa. Dor- sal pancreas. Pa. v. d., Rio:ht ventral pancreas. Pa. V. s., Left ventral pancreas. end of the meatus, and it even encroaches on the sinus venosus, as we have already seen; in the posterior part of the meatus venosus, on the other hand, the liver tissue is derived entirely from the posterior diverticulum. The mesenchyme in the interstices of the hepatic framework is replaced almost immediately by blood-. 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 : Henry Holt
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Keywords: ., bookauthorlilliefrankrat, bookcentury1900, booksubjectembryology
