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) …

Nov 12, 2025 · 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 …

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 …

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 …

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 …

The meaning of DEFECATION is the discharge of solid waste from the anus : the act or process of defecating. How to use defecation in a sentence.

Apr 10, 2023 · The rectum is reponsible for temporary storage of faeces before defecation. As it becomes filled the rectal walls expand and stretch receptors stimulate the desire to defecate.

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, …

Defecation is now imminent. The only thing preventing defecation from happening is the external anal sphincter, a voluntary muscle in the pelvic floor muscle group.

Movement of feces (undigested food, bacteria, mucus, and cells from the lining of the intestines) through the bowel and out the anus. Also called bowel movement.