Fontanelle Medical Definition

Medical definition of fontanel fontanelle medical author.

Fontanelle medical definition. The anterior fontanelle. Or advice of a legal medical or any other professional. The anterior fontanelle is.

The fontanel occurring at the meeting point of the coronal and sagittal sutures. They provide the skull with the flexibility needed to pass through the birth canal. A baby is born with several fontanels.

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. Fontanelles allow for rapid stretching and deformation of the neurocranium as the brain expands faster than the surrounding bone can grow. 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.

Also called soft spot. Shiel jr md facp facr. If the fontanelle returns to normal appearance when the child is calm and head up it is not a truly bulging fontanelle.

The soft spot is soft precisely because the cartilage there has not yet hardened into bone between the. When to contact a medical professional immediate emergency care is needed for any infant who has a truly bulging fontanelle especially if it occurs along with fever or excess drowsiness. Any of the soft membranous gaps between the incompletely formed cranial bones of a fetus or an infant.

Actually there are two soft spots close together representing gaps in the bone structure which will be filled in by bone during the normal process of growth. Fontanelle fon tah nel one of the membrane covered spaces remaining at the junction of the sutures in the incompletely ossified skull of the fetus or infant. Medical definition of anterior fontanel.