A popliteal cyst, also known as a Baker's cyst, is a fluid-filled swelling that causes a lump at the back of the knee.
the smallest category is species but from largest to smallest it will be: kingdom Phylum class order family genus and species and you can come up with another word for it to hâ¦elp you with it. so yeh there you go.
taxon, taxonomic category, taxonomic group-animal or plant group having natural relations. family - (biology) a taxonomic group containing one or more genera; sharks belong to the fish family. subgenus - (biology) taxonomic group between a genus and a species.. (Biology) biology any of the taxonomic groups into which a family is divided and which contains one or more species. For example, Vulpes (foxes) is a genus of the dog family (Canidae).