Tests to diagnose Crohn's disease include: 1  Barium enema or upper GI series. 2  Colonoscopy or sigmoidoscopy. 3  Computed tomography (CT scan) of the abdomen.  Endoscopy, including capsule 1  endoscopy. Magnetic resonance imaging (MRI) of the abdomen.  Enteroscopy.
Most species in this family sever the spinal chord of their prey with their canines. Species in this family have rounded heads and short muzzles. They have excellent eyesight and hearing and a good sense of smell. The big cats in this family, like the lion, tiger, jaguar and leopard, can roar, but they can not purr.
All three animals belong to the Order Carnivora. (Kingdom Animalia; Phylum Chordata; Class Mammalia, Order Carnivora) At this point they separate into different Families: Canidae for dogs, Felidae for cats, and Hyaenidae for Hyenas. After Family, there are two more separations: Genus and Species.