File:Smith1957 fig02.jpg

Fig. 2. Foregut

A, the ventrolateral aspect of a model of the foregut of embryo no. 5074, horizon 3:, showing the earliest pulmonary primordium, the laryngotracheal sulcus, between the thyroid and the anterior intestinal portal. Drawing by Mary M. Cope. X75.

B, section 2-2-3, same embryo, at the level of the laryngotracheal sulcus. The notochord forms a portion of the thin dorsal wall of the foregut. The differentiation of the cells of the ventral wall of the fort-gut is noted. X 100.

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Smith EI. The early development of the trachea and esophagus in relation to atresia of the esophagus and tracheoesophageal fistula. (1957) Contributions To Embryology, No. 245

Cite this page: Hill, M.A. (2024, April 28) Embryology Smith1957 fig02.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Smith1957_fig02.jpg

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