noun
gastrocolic reflex; gastrocolic response
Medical term for the physiological reflex where stomach distension triggers colon contractions, often leading to the urge to defecate after eating.
胃結腸反射は、食後に便意を感じる原因の一つです。
The gastrocolic reflex is one of the reasons you feel the urge to defecate after eating.
Compound of 胃 (stomach), 結腸 (colon), and 反射 (reflex), directly corresponding to the English medical term 'gastrocolic reflex'.