Enclosing in a sheath.
The pushing of the wall of a cavity into the cavity.
The surgical treatment of hernia, in which a sheath of tissue is made to cover the opening.
Condition in which one part of an organ folds into or becomes telescoped into another part of the organ, as in the intestine, sometimes causing an obstruction.
The infolding of the wall of a solid structure to form a cavity. It occurs in some stages of embryonic development.