What does the suffix "-ectasis" refer to?

The suffix "-ectasis" refers specifically to the process of expansion or dilation, particularly in a medical context. It is often used to describe the abnormal enlargement or stretching of a structure or organ in the body, such as in conditions like bronchiectasis or atelectasis. This meaning is crucial in medical terminology, as it helps convey important information about the condition affecting a specific area of the body. Understanding this suffix allows healthcare professionals to accurately communicate about various conditions related to the expansion or distension of organs.