sphenoid fontanel(n = noun.body) sphenoid fontanelle, sphenoidal fontanel, sphenoidal fontanelle - the irregularly shaped area on either side of the cranium where the frontal bone and the anterior tip of the parietal bone and the temporal bone and the greater wing of the sphenoid bone meet; corresponds to the pterion when bones have ossified;
is a kind of fontanel, fontanelle, soft spot

fontanel, sphenoid, sphenoid bone, sphenoid fontanelle, sphenoidal fontanel