To turn or fold inwardly.
To fold inward to create a hollow space where none had existed, as with a gastrula forming from a blastula.
To fold up or enclose into a sheath-like or pouch-like structure, either naturally or as part of a surgical procedure.
Having one portion of a hollow organ drawn back within another portion.
sheathed
To make visible; to expose.
To make visible or expose faults and deficiencies in, usually by outdoing, outperforming, or outcompeting another.
To appear, arrive, or attend, especially suddenly or erratically.
To be easily visible; to be conspicuous.