Which term refers to the brain?

The term that refers to the brain is "encephal." This root is derived from the Greek word "encephalon," which specifically means the brain. In medical terminology, it is commonly used in various contexts related to brain structures and conditions, such as encephalitis (inflammation of the brain) or encephalopathy (a general term for brain disease).

The other terms provided have different meanings: "cerebr" is related to the cerebrum, which is the largest part of the brain, "neur" pertains to nerves or the nervous system, and "pneu" relates to the lungs or respiration. Understanding these distinctions is crucial for accurately interpreting medical terminology related to the brain and nervous system.