Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Perfusion is the process of delivering blood to a capillary bed in the body's tissues. It ensures that nutrients and oxygen are supplied, and waste products are removed efficiently from those tissues.
Related terms
Capillary Bed: A network of capillaries in a tissue or organ where exchange of gases, nutrients, and waste occurs between blood and body cells.
Blood Flow: The movement of blood through the circulatory system to organs and tissues, carrying oxygen and nutrients while removing carbon dioxide and wastes.
Oxygen Delivery: The process by which oxygen is transported in the blood from the lungs to tissues throughout the body for cellular metabolism