Which root word means "nerve"?

The root word that means "nerve" is "neuro-". This prefix is derived from the Greek word "neuron," which refers to nerve or sinew. It is commonly used in medical terms related to the nervous system, such as "neurology," the study of the nervous system, or "neurosurgery," which focuses on surgical procedures involving nerves and the brain. Understanding this root is essential for grasping a variety of medical and scientific terms, making it a foundational component in such fields.

The other choices do not refer specifically to nerves. "Nucleo-" relates to the nucleus of a cell, "-oma" is a suffix denoting tumors, and "-osis" indicates a condition or disease, often related to growth or processes in the body.