Prenatal development of features vascularization shells and cervical esophagus of pharyngoesophageal transition

Anatomical and histological methods studied in the wall of the cervical esophagus of human fetuses. Found that the maturation of the muscular layer of the esophagus is directly connected with invasion of blood vessels. The bulk of the venous bloodstream intraorganic the cervical esophagus is formed in the human mucosa.