FONTANEL (FONTANELLE) By N., Sam M.S. - 0 the soft, membrane-covered area in the incompletely ossified skull of a newborn. They will close before the 2nd year of life, as the skull bones gradually fuse. FONTANEL (FONTANELLE): "The fontanel closes as skull bones fuse together." Related Psychology Terms MENTAL RETARDATION (CAUSES) HEARING ADOLESCENCE (Theories) NEWBORN INFANT (Neonate) DEMONOLOGY SULLIVAN, HARRY STACK (1892- 1949) FREUD, SIGMUND (1856-1939) JUNG, CARL GUSTAV (1875-1961) DELAYED REACTION FUGUE STATE Cite this page: N., Sam M.S., "FONTANEL (FONTANELLE)," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/fontanel-fontanelle/ (accessed June 26, 2022).