title: A study of the os goniale in man.
abstract: The anterior process of the malleus of the middle ear develops irrespective of Meckel's cartilage through an intramembranous ossification center that appears in the human embryo of 26.5 mm crown-rump length at a caudomedial position in relation to Meckel's cartilage. The malleus has a double origin: the anterior process originates from the os goniale through intramembranous ossification, and the rest from Meckel's cartilage, through endochondral ossification.
authors.affiliation: Department of Morphological Sciences, Universidad Complutense, Madrid, Spain.
authors.forename: J F
authors.initials: JF
authors.lastname: Rodríguez Vázquez
authors.forename: J R
authors.initials: JR
authors.lastname: Mérida Velasco
authors.forename: J
authors.initials: J
authors.lastname: Jiménez Collado
mesh_terms: D004432:Ear, Middle / Q000196:embryology*; D006801:Humans; D008307:Malleus / Q000033:anatomy & histology / Q000196:embryology*; D010012:Osteogenesis / Q000502:physiology*