Massage and the application of ligaments to painful areas in the body relieves pain due to-

Ans. D. Inhibition by large myelinated afferent fibresa. Pain:Receptors: naked nerve ending (free nerve ending found in almost every tissues of the body. & Tract Antolateral- spinothalamic tractTypes of PainNerve fiber involved in transmissionSynaptic transmitters1. Fast mild pain (first or fast pain)Small diameter myelinated A li fibers; terminate primarily on neurons in laminas I and V of dorsal hornGlutamate2. Slow severe pain (slow or second pain)Unmyelinated C-fiber; terminate primarily on neurons in laminas I and II of dorsal hornSubstance -P