WebWhen the intestines trigger the defecation reflex, you may feel pressure in your rectum or even discomfort. The defecation reflex can increase pressure in the rectum by 20 to 25 … Webinternal urethral sphincter. -change in orientation of detrusor smooth muscle fibers from circular to spiral or longitudinal. -less distensible than rest of bladder. -innervated by hypogastric nerve = constriction. external urethral sphincter (EUS) -skeletal muscle fibers surrounding focal areas of the urethra. -male dogs = post prostatic.

Urination and Defecation Flashcards Quizlet

WebAttempting forced expiration of breath against a closed airway (the Valsalva maneuver) is sometimes practiced to induce defecation while on a toilet. This contraction of expiratory chest muscles, diaphragm, abdominal wall muscles, and pelvic diaphragm exerts pressure on the digestive tract. WebWhile defecation is occurring, the excretion of urine is usually stimulated. The chest muscles, diaphragm, abdominal-wall muscles, and pelvic diaphragm all exert pressure on … biofactors abbreviation

Eliminative Behavior - an overview ScienceDirect Topics

WebNov 18, 2024 · This stretching activates the defecation reflex, which is simply the reflex that stimulates the desire to defecate, or have a bowel movement. If you don't go to the bathroom right away, this ... Web(a) stimulates urination and defecation (b) prepares the body for emergency situations (c) fight-or-flight response (d) promotes digestion and absorption of food (e) concerned … WebStimulates urination and defecation. Increased activity in the parasympathetic division of the ANS. Prepares the body for emergency situations. Increased activity of the … biofactorsa