FOUNDATIONAL TERM
Resistance
阻力
Opposition to flow for a given pressure difference.
Study this concept in context
11 · Circulation: vessels, pressure and tissue perfusion
Blood pressure helps drive circulation, but does not directly measure tissue oxygen supply. Follow blood through arteries, the microcirculation and veins to connect pressure, resistance and exchange.
Sources
- OpenStax: structure and function of blood vessels
- OpenStax: blood flow blood pressure and resistance
- OpenStax: capillary exchange
- OpenStax: homeostatic regulation of the vascular system
- Levick & Michel: Microvascular fluid exchange and the revised Starling principle
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.