PHGY 210 Lecture 4: PHGY 210 gastro L4
15 Feb 2018
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Document Summary
The intestines has several functions in the processing of food (cid:9675) It has to neutralize the acidic content it receives from the stomach, equilibrate the osmolarity of chyme, do the bulk of digestion and finally, has to absorb the nutrients into the internal environment of the body. For now, let us first consider how it moves the chyme it receives from the stomach along its length. The 2 key activities of the small intestine are mixing and slow propulsion (cid:9675) Propulsion through the length of the intestine can take from 2 to 6 hours. Let us consider how the intestines propel food. Electrical properties of the small intestine smooth muscle. The small intestine has similar electrical activity to the distal stomach: it has a basic electrical rhythm (ber) and electrical response activity (era) that is phased locked to the ber.
