It would usually refer to a surgical procedure of some kind.
Post-operative or post-op is the medical term meaning after the operation.
post-surgery
Pre -- means before Op -- short for operation PreOp means before the operation.
Etymologically, they are the same activity. Both involve someone (the operator = mathematician or doctor) performing a procedue (operation: mathematical or medical) on something (operands: functional arguments or patients).
what is meaning of operation excutive
medical staff bylaws
The word you're looking for is "convalescing." It refers to the process of recovering health and strength after a medical treatment or operation. During this time, individuals often rest and may gradually resume their normal activities as they heal.
Anacusis is the medical term meaning complete deafness.
Syncope is the medical term meaning fainting.
Articulation is the medical term meaning joint. The medical terminology combining form meaning joint is arthro-.
Lumpectomy is lump removal. I know the answer sounds bogus, but it's true.
Sensation is the medical term meaning feeling.