Stomatoscopy, esophagoscopy, and gastroscopy. A) Oral cavity of a radiated tortoise ( Astrochelys radiata ) demonstrating the choana and hard palate (p), fleshy tongue (t), and glottis (arrow). B) Air-distended esophagus of a burmese python ( Python molurus bivittatus ). C) Saline-infusion view of the green iguana ( Iguana iguana ) esophagus. D) Stomach of a savannah monitor ( Varanus exanthematicus ) with normal ruggal folds (arrows). E) Gastric hypertrophy in a corn snake ( Elaphe guttata ) with cryptosporidiosis. F) Leiomyoma (l) obstructing the pyloric outflow in another corn snake that presented with chronic regurgitation.
Courtesy of Dr. Stephen Divers.