This article is about the human jawbone. For the other mandibles, see Mandible. Bone: Mandible File:Gray176. png File:Gray177. png Latin mandibula Gray’s subject #44 172 Precursor 1st branchial arch MeSH Mandible The mandible pronunciation (from Latin mandibula, “jawbone”) or inferior maxillary bone forms the lower jaw and holds the lower teeth in place.