What does "occluded" mean?

The term "occluded" means closed or obstructed. In medical terminology, it often refers to a blockage or obstruction, such as in the case of blood vessels where something may prevent normal blood flow. This concept is crucial for understanding various medical conditions, particularly those involving circulation and respiratory functions.

For instance, in dentistry, "occlusion" refers to the way teeth align or come together, and an occluded vessel indicates a blockage that can lead to serious health issues. Understanding this definition can assist students in recognizing conditions or situations related to blockages in different aspects of healthcare.