Fontanelle Definition

A gap between the bones of the skull of a young animal.

Fontanelle definition. A fontanelle or fontanel colloquially soft spot is an anatomical feature of the infant human skull comprising any of the soft membranous gaps between the cranial bones that make up the calvaria of a fetus or an infant. Fontanelle a non ossified area of membranous bone in particular of the skull in an infant. Fonticulus is the accepted terminologia anatomica name.

Any of the spaces closed by membranous structures between the uncompleted angles of the parietal bones and the neighboring bones of a fetal or young skull. Fontanel definition is a membrane covered opening in bone or between bones.