0 • A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P • Q • R • S • T • U • V • W • X • Y • Z
Gray matter refer to areas of the nervous system with a high density of cell bodies and dendrites, with few myelinated axons ; areas of the brain that are dense in cell bodies such as the cortex and that appear gray.