pain signals

• nerveSignal-carrying body fiber
• transmissionSending of information
• brainSeat of cognition
• spinal cordBrain's extension through vertebrae
• achePersistent dull discomfort

throb · sharp · burning · tingling · receptors · stimulus · warning · inflammation · neurons · electrical · impulse · sensation · reflex · threshold · chronic · acute · pathways · fibers

• painache, pain, agony, hurt, hurting
• body signalsheartbeat, pulse, brainwaves, brain waves, brainwave