Which of the following statements is true about thermoreceptor?: (A) They are activated only by severe cold or severe heat, (B) They are located on superficial layers of the skin, (C) They are on dendritic endings of A fibers and C fibers, (D) All of the above
Answer is D. Pain and temperature sensations arise from unmyelinated dendrites of sensory neurons located around hair follicles throughout the glabrous and hairy skin as well as deep tissue.