The esophagus anatomic-histology of bull frog ("Rana catesbeiana" Shaw, 1802)

Abstract

Aiming to describe the esophage functional morpho – histology of bull frog (Rana catebeiana Shaw, 1802), twenty bull frog, mean body weight of 85.00 ± 2.03 g, were used. The esophageal mucosa architecture is defined by thick longitudinal folds, showing an esophageal ciliated pseudostratified epithelium with mucous cells and pluricellular glands; the esophageal muscular coat is composed by inner circular muscular lamina, and by outer longitudinal muscular lamina.