The large intestine is a highly specialized organ that is responsible for processing waste so that emptying the bowels is easy and convenient. The wall of anal canal consists of different layers of muscles, blood vessels, lymph vessels and the sensitive nerve-endings. Some organs of the body act as a part of the two systems at the same time. The lining of the upper anus is specialized to detect rectal contents. The obstruction of anal ducts can lead to some serious health issues, such as the formation of anus abscesses and anus fistula. Several different types of tumors can grow in the anal region.
The Digestive System
Even the smell of food can generate saliva, which is secreted by the salivary glands in the mouth, contains an enzyme, salivary amylase, which breaks down starch. The top and bottom of the anus are surrounded by the internal and external anal sphincters , two muscular rings which control defecation. A series of muscular contractions, called peristalsis, transports food through the rest of the system. Best Single Mom Blogs of No one ever said motherhood would be easy, but single motherhood is a whole other ball game. Retrieved July 23, Like the glans penis, the glans clitoridis contains nerve endings and is highly sensitive to tactile stimulation. The stomach secretes acid and powerful enzymes that continue the process of breaking the food down and changing it to a consistency of liquid or paste.
The Digestive System Diagram, Organs, Function, and More
Branching off the pharynx is the esophagus, which carries food to the stomach , and the trachea or windpipe, which carries air to the lungs. After the surgery, your healthcare provider may prescribe some medications for pain relief. By their definitions, suppositories are inserted, and enemas are injected, via the rectum. Anatomy of the anus and rectum.
Description: Manual evacuation is the use of a gloved finger to evacuate faeces from the rectum, and, after the application of stool softeners , is utilised in acute constipation. Help us improve this article! Our editors will review what you've submitted, and if it meets our criteria, we'll add it to the article. The rectum is the concluding part of the large intestine that terminates in the anus.