There is no scientific term or concept called "scoopular". It's likely a misspelling or a made-up word.

It's possible you might be thinking of a related word:

* Scopula: This is a biological term referring to a specialized structure on the legs of some insects, especially spiders, that helps them grip and move around surfaces.

If you can provide more context about where you encountered the term "scoopular," I might be able to help you find the correct word or concept.