Defecation (or defaecation) follows digestion and is the necessary biological process by which organisms eliminate a solid, semisolid, or liquid waste material known as feces (or faeces) from the …

Jan 30, 2026 · Defecation, the act of eliminating solid or semisolid waste materials (feces) from the digestive tract. In human beings, wastes are usually removed once or twice daily, but the frequency …

Nov 13, 2023 · The process begins with mass movement from the colon to the rectum, initiating the defecation reflex, which involves rectal contraction and internal and external anal sphincter …

Sep 29, 2023 · However, most people have a bowel movement one to three times daily. This article explores the defecation reflex, the types of defecation reflexes, what triggers defecation, and more.

Aug 9, 2021 · Takano, S., Nakashima, M., Tsuchino, M., Nakao, Y. & Watanabe, A. Influence of foot stool on defecation: a prospective study. Pelviperineology 37, 101–103 (2018).

Aug 12, 2023 · Explore the physiology of defecation, including gastrointestinal motility, rectal filling and sensation, the defecation reflex, and factors affecting bowel movements. Understand the importance …

When defecation proceeds, signals cause strong contractions in the colon and rectum, propelling feces toward the anus. Simultaneously, the external anal sphincter is voluntarily relaxed, and abdominal …

Defecation is the process of eliminating waste material from the digestive tract through the anus, marking the final step in digestion. This process involves the coordinated actions of various muscles …

When undigested material reaches the distal colon and rectum it triggers a coordinated series of events known collectively as the defecation reflex. As the rectum fills, its walls stretch and activate …

defecation the elimination of faeces from the alimentary canal via the anus, a process requiring rhythmic contraction of the smooth muscle of the gut wall (under autonomic control) and relaxation of the …