This is basically a subgenus of Aristotle’s distinction between present-in and not present-in. Like most of Aristotle’s distinctions, it seems very intuitive and straightforward until you try to think about it more precisely. Here are some of the problems with trying to apply it to the comparison between abortion and kidney donation.

https://teedrockwell.medium.com/objection-to-jarvis-thomson-1-this-situation-is-so-weird-that-it-tell-us-nothing-about-how-people-806068c222d8