Key points The internal rectal sphincter grows tone very important to maintaining high anal pressure and continence. era in the inner rectal sphincter (IAS) is certainly controversial. We analyzed the hypothesis that build depends upon era of electrical gradual waves (SWs) initiated in intramuscular interstitial cells of Cajal (ICC\IM) by activation of Ca2+\turned on Cl?… Continue reading Key points The internal rectal sphincter grows tone very important to