- to insert or receive, as into a sheath; sheathe.
- to fold or draw (a tubular organ) back within itself; intussuscept.
- to become invaginated; undergo invagination.
- to form a pocket by turning in.
- folded or turned back upon itself.
- sheathed.
- to push one section of (a tubular organ or part) back into itself so that it becomes ensheathed; intussuscept
- (of the outer layer of an organism or part) to undergo invagination
- (of an organ or part) folded back upon itself
