Soft area between the cranial bones of an infant's skull, indicative of areas not yet ossified.
The soft spots between the sections of the fetal skull.
The ‘soft spots' on a baby's head where the skull has not fused together is the fontanelles. At birth, a baby has a fontanelle on the top and back of the head. The back one closes quickly, but the top one can take up to 2 years before it's completely hardened and closed.
Spaces between the cranial bones, which are incompletely fused in infants.
"Soft spots" of the infant's head, normal unossified areas in the infant skull.
The two soft spots on a newborn’s head where the skull bones do not yet meet.