Ethanol /ËÉÎ¸ÉnÉl/ , also commonly called ethyl alcohol, drinking alcohol, or simply alcohol is the principal type of alcohol found in alcoholic beverages, produced by the fermentation of sugars by yeasts.It is a neurotoxic psychoactive drug and one of the oldest recreational drugs used by humans.thanol is the systematic name defined by the International Union of Pure and Applied Chemistry (IUPAC) for a molecule with two carbon atoms (prefix eth-), having a single bond between them (suffix -ane), and an attached functional group-OH group (suffix -ol).
habitus. The physical or constitutional characteristics of a person: build, constitution, habit, physique.
Structure[edit] Genioglossus is the fan-shaped extrinsic tongue muscle that forms the majority of the body of the tongue. Its arises from the mental spine of the mandible and its insertions are the hyoid bone and the bottom of the tongue. Innervated by the hypoglossal nerve, the genioglossus depresses and protrudes the tongue.