Lecture 14 - Biology 2A03 L14 cortex Lecture 14 Circulation...

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cortex Medulla Biology 2A03 – L14 1. Kidney – long term regulation of MAP 2. Baroreceptors – short term regulator of MAP 3. Efferent pathways of the Baroreceptor Reflex 1. If MAP is too high or too low, this triggers compensatory response 2. Mainly PSNS goes to pacemakers to slow down heart rate 3. SNS – increases contractions in arterioles; Innervates veins as well 1. Flow diagram of Baroreceptor reflex w/ Drop in MAP 2. Goal – to MAP back to normal
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Biology 2A03 – L14 1. Baroreceptor reflexes also facilitate a short term partial restoration of blood plasma volume by reabsorption of fluid from interstitial space and lymph 2. Long Term regulation of MAP = kidney 3. Baroreceptor can also change capillary hydrostatic pressure to indirectly regulate MAP 4. pressure in arterioles = pressure in capillaries 5. plasma volume = restoration of arterial pressure 6. venous return to the heart = MAP in cycle Kidney Function = Renal System
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Lecture 14 - Biology 2A03 L14 cortex Lecture 14 Circulation...

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