dorsal fold meaning in Hindi

Examples

1. Its peristomium shows a dorsal fold partly covering the prostomium.
2. The grooves form 2 separate channels that form the ventral and dorsal folds of the erectile tissue.
3. Behind the stings are well-developed dorsal and ventral fin folds; the dorsal fold is smaller than the ventral fold, which is deep and short relative to the tail's total length.