Defecation - Wikipedia
网页Defecation (or defaecation) follows digestion, and is a necessary process by which organisms eliminate a solid, semisolid, or liquid waste material known as feces from the digestive tract via the anus or cloaca.
Defecation Reflex: Causes, Treatments, Symptoms, and More - Healthline
网页2018年9月29日 · The defecation reflex occurs when the internal anal sphincter relaxes and the external anal sphincter contracts.
Defecation reflex: Overview and what can affect it? - Medical News Today
网页2023年9月29日 · The defecation reflex is a natural and essential process that allows waste material to leave the body. It starts when feces passes into the rectum. This activates involuntary receptors telling...
Defecation | Anatomy, Physiology & Benefits | Britannica
网页2024年9月4日 · 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 can vary from several times daily to three times weekly and remain within normal limits.
Physiology, Defecation - StatPearls - NCBI Bookshelf
网页2023年11月13日 · Defecation is the term for the act of expelling feces from the digestive tract via the anus. This complex function requires coordination between the gastrointestinal, nervous, and musculoskeletal systems.[1]
Defecation - Rectum - Control - TeachMePhysiology
网页2023年4月10日 · Defecation. The large intestine is the final section of the gastrointestinal system before the rectum. In this section of the GI tract water is reabsorbed and any remaining waste material is stored as faeces to be removed. Further information on the anatomy of the large intestine can be found here.
Understanding the physiology of human defaecation and …
网页2021年8月9日 · This includes an overview of the relevant anatomy and physiology, a description of the four phases of defaecation, and factors influencing defaecation (demographics, stool frequency/consistency...
Physiology, Defecation | Treatment & Management | Point of Care
网页2023年11月13日 · Defecation is the term for the act of expelling feces from the digestive tract via the anus. This complex function requires coordination between the gastrointestinal, nervous, and musculoskeletal systems. [1]
Bowel Movement: What's Normal and How to Poop Better - Healthline
网页2024年7月15日 · There’s a reason to pay attention to how often you poop: Regular bowel movements can be essential for good health. Let’s discuss why that’s so and some tips for having better bowel movements ...
Science Saturday: Mechanisms of defecation, constipation in …
网页2022年4月9日 · Science Saturday: Mechanisms of defecation, constipation in women explained. Robert Nellis. April 9, 2022. Chronic constipation is a reality for many people ― more often women than men. Fortunately, these symptoms generally respond to dietary fiber supplements or over-the-counter laxatives.