Cellular receptors which mediate the sense of temperature. Thermoreceptors in vertebrates are mostly located under the skin. In mammals there are separate types of thermoreceptors for cold and for warmth and NOCICEPTORS which detect cold or heat extreme enough to cause pain.

The sensation of cold, heat, coolness, and warmth as detected by THERMORECEPTORS.

An absence of warmth or heat or a temperature notably below an accustomed norm.

Presence of warmth or heat or a temperature notably higher than an accustomed norm.