Dehisce means: Definition of dehisce is: A burst or gape. Depending on whether all or part of the tissue is exposed, a surgical wound can partially or fully dehisce following surgery.
(in Medical Dictionary)

What else does Dehisce mean?

Open at specific places to release seeds, pollen or other contents.
(in Merlin Dictionary)

A surgical wound that ruptures or breaks open.
(in Merlin Dictionary)