Slow pain in nerves is carried by: (A) a (alpha), (B) b (delta), (C) B, (D) C
Answer is D. (D) C > Sense organs for pain are free nerve ending found in almost every tissue of the body> PAIN PATHWAY> VPN thalamus Ad(myelinated)... fast pain> DRG> C (unmyelinated)... slow pain dorsal root> Substance P is mediator of pain