In nasogastric (NG) intubation, a tube is placed through your nose into your stomach. Your healthcare provider can use an NG tube to feed you and give you medicine. They can also apply suction to an NG tube to remove stomach contents.
Crayfish, also called crawfish or crawdad, any of numerous crustaceans (order Decapoda, phylum Arthropoda) constituting the families Astacidae (Northern Hemisphere), Parastacidae, and Austroastracidae (Southern Hemisphere). They are closely related to the lobster.
Crayfish also called Crawfish or Crawdad, are crustaceans in which most of them live in freshwater and a few live in brackish or salt water. Some live in burrows on land close to a source of water, all crayfish have the ability to borrow (Hyman 1996).