I would say that "missing" implies that in some sense the body parts ought to be there but the umbilical cord ought not to be there in both the "natural" and the "desired" senses.
Humor, jokes, memes about TTRPGs
I would say that "missing" implies that in some sense the body parts ought to be there but the umbilical cord ought not to be there in both the "natural" and the "desired" senses.