Crop (anatomy) Crop (anatomy) A crop (sometimes also called a croup or a craw, or ingluvies) is a thin-walled expanded portion of the alimentary tract used for the storage of food prior to digestion. This anatomical structure is found in a wide variety of animals. It has been found in birds, and in invertebrate animals including gastropods (snails and slugs), earthworms, leeches, and insects. Cropping is used by bees to temporarily store nectar of flowers. When bees "suck" nectar, it is stored in their crops. In a bird's digestive system, the crop is an expanded, muscular pouch near the gullet or throat.
Ileo-anal pouch and discomforts as their body compensates for the loss of such an important organ. Many patients experience the inability to sleep through the night, a drastically changed diet, severe and frequent gas pain, nutrient deficiencies, and the inability to digest certain foods. In some cases where the pouch was formed to manage colitis, inflammation can return to the pouch in a similar way to the original inflammation in the colon. This is known as pouchitis. The surgical procedure for forming an ileo-anal pouch (jpouch) was pioneered by Sir Alan Parks at St. Mark's Hospital in London in the mid to