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  1. Defecation - Wikipedia

    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 …

  2. Physiology, Defecation - StatPearls - NCBI Bookshelf

    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 …

  3. Defecation | Anatomy, Physiology & Benefits | Britannica

    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 …

  4. Understanding the physiology of human defaecation and ... - Nature

    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).

  5. Physiology of Defecation: Unraveling the Intricate Mechanisms

    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 …

  6. What Is Defaecation and How Does It Work? - Biology Insights

    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 …

  7. What Does Defecation Mean? | Clear, Simple Facts

    Defecation is a vital bodily function that removes undigested food, bacteria, and waste products from the intestines. After digestion breaks down food into nutrients, the leftover material moves into the colon, …

  8. Defecation reflex: Overview and what can affect it? - Medical News Today

    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.

  9. Here’s what your poop actually says about your health

    5 days ago · Wait, don’t flush! By looking at the clues in your loo, experts think you can learn about your wider health.

  10. Defecation – Basic Human Physiology

    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 …