Final answer:
Nociceptors are a type of sensory receptor that respond to extremely strong stimuli and may cause tissue damage. They detect potentially damaging stimuli and elicit painful sensations.
Step-by-step explanation:
Receptors that respond to extremely strong stimuli, including those that may cause tissue damage, are called nociceptors. Nociceptors are a type of sensory receptor that detect potentially damaging stimuli and are found both on the surface of the body and in internal organs. When activated, nociceptors elicit painful sensations.