Final answer:
The combining form "sangi/o" is related to blood and is used in medical terminology to describe conditions or processes involving the blood system.
Step-by-step explanation:
The combining form “sangi/o” is related to blood. It is derived from the Latin “sanguis,” meaning blood. This prefix is commonly used in medical terminology to create words that pertain to blood or the blood system. For instance, “sangiofibroma” refers to a fibrous tumor of the blood vessels, and “sangiogenesis” is the process by which new blood vessels form from pre-existing vessels. Understanding these combining forms is crucial for medical professionals and students to communicate effectively and understand the nuances of medical terminology.