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 subject (a cell) to transformation.
To undergo a transformation; to change in appearance or character.
To change greatly the appearance or form of.
To subject to the action of a transformer.
To subject to a transformation; to change into another form without altering the value.
To change the nature, condition or function of; to change in nature, disposition, heart, character, etc.; to convert.
A transform fault.
An operation (often an integration) that converts one function into another.
A function so produced.