A superfamily of nematodes of the suborder CAMALLANINA. Its organisms possess a poorly developed buccal cavity and a rudimentary esophagus and intestine.

Infections with nematodes of the order SPIRURIDA.

Anguilla is not a term with a widely accepted medical definition; however, it is the scientific name for the freshwater eel species, and if used in a medical context, it may refer to a rare condition called Anguillula nephria, which is an intestinal infection caused by a roundworm.

Thin-walled sacs or spaces which function as a part of the respiratory system in birds, fishes, insects, and mammals.