BIO310H5 Lecture Notes - Lecture 20: Muscular Layer, Resting Potential, Arteriole

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10 Feb 2018
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In the large intestine, major bacterial digestion will occur. It is also lined by epithelium, it isn"t there to digest, its just from absorption. Slide (back a slide with villi: mucosa was covered by muscular layer. Slide 19: when you squeeze the tube, the bolus of food is getting pushed away, circular muscles are contracting, circular contraction and longitudinal relaxation and then immediately the opposite. If there is a lot of food, there will be a stretch which will induce the movement and activation of. Some of the toxins will induce motility (contraction and relaxation: usually ans because you need rest and digest. Slide 21: not for the exam, but you have to understand the motility of the gastrointestinal tract. For the stomach, it will have a mass contraction so there is no food left behind will immediately start to neutralize the highly acidic bolus of food.