Morphohistology of the Digestive Tract of the Damsel Fish Stegastes fuscus (Osteichthyes: Pomacentridae)

Figure 3

Esophagus of S. fuscus. (A) Mucosa with folds consisting of (a) cubic epithelium and (b) mucous glands; (B) mucosa with a tubular mucous secretory gland (arrow) and (c) muscle layer consisting of striated skeletal muscles; (C) esophagus sphincter; (D) esophagus-stomach region showing cubic epithelium of esophagus (d) and cylindrical epithelium of the stomach (e).