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.
The saltwater crocodile is true to its name and can survive in marine environments. However, it is usually found in brackish and saline habitat like deltas, mangrove swamps, lagoons, and estuaries. This type of crocodile also has the widest range of other species of crocodiles and is found throughout the Indian subcontinent, Australia, and Southeast Asia. The saltwater crocodile drowns and swallows its prey as a whole and is a hypercarnivorous predator that can overpower almost any animal in its territory. These crocodiles and known to kill and consume even humans.