CSB 325 Notes

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Department
Cell and Systems Biology
Course
CSB325H1
Professor
David Lovejoy
Semester
Fall

Description
CSB 325 OCT 25 LECTUREOsmoregulationGreen arrows are positive and red arrows are negativeAs organism evolve neurological centre took over osmoregulaionThis is acting as a feed back mechanismThere has to be a balanceThis is suppose to increase sodium reabsorptionAnd if that keeps going organism would have too much salt in their body and they would need to dilute it hence they feel thirstyThe brain slideFollow the red arrow those are the neural pathwaysThick arrow lead to motor behaviourThin arrow is the release of vasopressinReceptor for angiotensin receptorAt1 and At2 receptorDepend on the situation one of both can be activatedAt2 receptor can cause vasodilation leading to lower blood pressureAt1 can have opposite effect in a situation where fluid is getting low running long distance
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