There are two types of bile duct cancer: 1  Intrahepatic bile duct cancer : This type of cancer forms in the bile ducts inside the liver. 2  Extrahepatic bile duct cancer : The extrahepatic bile duct is made up of the hilum region and the distal region.
Crocodiles (subfamily Crocodylinae) or true crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. Crocodylinae, all of whose members are considered true crocodiles, is classified as a biological subfamily. A broader sense of the term crocodile, Crocodylidae that includes Tomistoma, is not used in this article. The term crocodile here applies only to the species within the subfamily of Crocodylinae.
Family: 3. Species: 23. The American Alligator is part of this Order of reptiles. Crocodiles, caiman, gavials, and alligators can be found in warm to tropical climates. The crocodile can be found in Africa, Southeast Asia and Northern Australia. The Caiman can be found in northern South America.amily: 3. Species: 23. The American Alligator is part of this Order of reptiles. Crocodiles, caiman, gavials, and alligators can be found in warm to tropical climates. The crocodile can be found in Africa, Southeast Asia and Northern Australia. The Caiman can be found in northern South America.