8 Questions
Which type of substances easily pass through the lipid bilayer of capillary endothelial cells?
Lipid-Soluble Substances
What is the primary method by which larger molecules, such as proteins, are transported across endothelial cells?
Vesicular Transport
What type of pressure promotes the movement of fluid and solutes out of the capillary into the interstitial space?
Capillary Hydrostatic Pressure
What opposes the movement of fluid out of the capillary and into the tissues?
Interstitial Fluid Hydrostatic Pressure
What is the pressure exerted by the blood against the walls of the capillary?
Capillary Hydrostatic Pressure
Which type of substances diffuse through water-filled channels between endothelial cells?
Large water-soluble molecules
What is primarily responsible for drawing fluid back into the capillary from the surrounding tissues?
Blood Colloid Osmotic Pressure
What is responsible for movement of fluid and solutes from the interstitial space back into the capillary?
Interstitial Fluid Hydrostatic Pressure
Explore the different mechanisms involved in the movement of molecules across capillary endothelial cells, including diffusion of lipid-soluble and water-soluble substances, vesicular transport of larger molecules, and bulk flow through filtration. Test your knowledge on how substances like oxygen, glucose, and proteins traverse endothelial barriers.
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