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
Glossary of names for the Tirukkural Glossary of names for the Tirukkural Tirukkural, or the Kural, an ancient Indian treatise on common moralities, has been given by various names ever since its writing around the first century BCE. Originally referred to as "Muppāl", perhaps as presented by its author Valluvar at the ruler's court, the work remains unique among ancient works in the sense that it was not given any title by its author himself. All the names that the work is referred by today are given by later days' scholars over the millennia. The work is known by an estimated 44 names excluding variants, although