LM of gastric epithelium above clusters of testis lobes. In contrast to Styela, the gonads in Ciona are located in a typical Phlobobranch pattern within the lining of the gastrointestinal tract and not the body wall. 5X obj.
Gastric epithelium is folded into alternating long and short folds. In contrast to Styela, the folds in Ciona do not possess a crest of mucous cells along the top of each fold. 10X obj.