Cystinuria in cats is an inherited metabolic disease characterized by defective amino acid reabsorption, leading to the formation of cystine stones.

Autoimmune lymphoproliferative syndrome in cats is a lymphoproliferative disorder distinguished by massive enlargement of lymphatic nodes and spleen.

Brachycephaly in cats is a trait of skull bones shortened in length, giving the face and nose of a cat a "pushed in" appearance.