Defecation is the natural and essential process of having a bowel movement. It is the body’s way of getting rid of waste material. Sometimes, there may be complications with the defecation reflex.

Muscle coordination is mostly governed by motor programs built into the nervous system. But one program — the defecation cycle in a worm — has a mechanism that avoids nerves completely and uses ...

A team co-led by a City University of Hong Kong (CityU) neuroscientist has identified a key mechanism of a biological clock that ensures roundworms stay regular by defecating at steady intervals. The ...

If you’re having a hard time sensing when you need to go to the bathroom or are chronically constipated, you should see a doctor. You may have a disorder involving your defecation (pooping) reflex.