Short Term Control of Local Blood Flow | Circulatory System Physiology Animation

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Short Term Control of Local Blood Flow:
Most tissues control their own blood flow depending on the requirement. In vasodilator theory, we saw that lack of oxygen causes production of vasodilator substances(), which cause vasodilatation(), and increase blood flow to bring more oxygen. In oxygen demand theory (or nutrient demand theory) we saw how precapillary sphincters and metarterioles undergo cycles of constriction and relaxation, with increased open state when demand is increased. When metabolic control mechanisms open small vessels, nitric oxide secondarily dilates upstream vessels. This thing! And finally, autoregulation prevents changes in blood flow in those organs where its not needed. So this was all about short term regulation of local blood flow.
Chapters:
00:00 Intro
00:45 Factors Controlling Local Blood Flow
01:23 Short vs Long-Term Control
02:02 Short-Term Control Mechanisms
02:27 Vasodilator Theory
04:05 Oxygen Demand Theory
07:04 Endothelium Derived Constricting & Relaxing Factors
08:01 Vasodilatation by Nitric Oxide
11:20 Endothelin
11:50 Autoregulation: Importance
14:31 Myogenic Response
15:28 Metabolic Regulation
16:00 Blood Pressure vs Blood Flow
17:59 Summary
18:59 Bonus
Dr Vipul Navadiya
Nonstop Neuron
Medical Animation
Medical Animation Videos
Physiology
DISCLAIMER: This video is for education purposes only. Although every effort is made to ensure the accuracy of the material, viewers should refer to the appropriate regulatory body/authorized websites, guidelines, and other suitable sources of information as deemed relevant and applicable. In view of the possibility of human error or changes in medical science, any person or organization involved in the preparation of this work accepts no responsibility for any errors or omissions, or results obtained from the use of information in this video.

[@NonstopNeuron]

The video on long term control of blood flow is here: www.nonstopneuron.com/post/long-term-regulation-of-local-blood-flow

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