Layer of the skin deep under the epidermis, consisting of a bed of vascularized connective tissue and containing the nerves and organs of sensation, the hair roots, and sebaceous and sweat glands.
Source: PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 743 (https://doi.org/10.1515/pac-2015-1202)