Nerve supply to the skin the kind of sensory inputs which project to a specific region of the primary somatosensory cortex. Groups of nerve terminals located in the different layers of the skin are categorized depending on whether the skin is hairy, nonhairy, or an exposed mucous membrane. The hairy parts of the body such as the forearm or the leg have two groups of nerve endings: those that end along with the hair follicles, and also with the arborizations of unmyelinated axons which are referred to as “free” nerve endings because they are served by both myelinated and unmyelinated axons. Nonhairy skin, such as
Names of the Basque Country (in Spanish) other languages (first of all Basque, though also Latin) are acknowledged if in circulation also in Spanish. The list contains indisputably proper names (e.g. "Provincias Vascongadas"), names with unclear or varying usage (e.g. "Provincias Exentas" or "provincias exentas") and names which have never acquired the status of a proper name, though they might have been intended to (e.g. "provincias hermanas"). Names differing only in terms of orthography are grouped under one heading. Non-Spanish names which barely made it to the Spanish cultural discourse (e.g. "Hirurak bat", "Zazpiak Bat", ) are not listed. A term sometimes used in official and semi-official