Definitionen
1.Adjectivesheathed
2.AdjectiveHaving one portion of a hollow organ drawn back within another portion.
3.VerbTo fold up or enclose into a sheath-like or pouch-like structure, either naturally or as part of a surgical procedure.
4.VerbTo turn or fold inwardly.
5.VerbTo fold inward to create a hollow space where none had existed, as with a gastrula forming from a blastula.