👉 Trabeca, a Latin word meaning "thread" or "thread-like," is an anatomical structure that connects the brain and spinal cord. It is composed of many small bones called trabeculae arranged in a spiral pattern along its length. In humans, the trabeculae form the skeleton of the skull, which houses the brain. The trabeca also plays a vital role in supporting the spinal cord and facilitating movement between the head and the rest of the body. Trabeca