Assertion: sphenoidal fontanelle | /r/HasProperty | the next
Facets:
Source sentences:
text: The posterior fontanelle generally closes 2 to 3 months after birth; The sphenoidal fontanelle is the next to close around 6 months after birth; The mastoid fontanelle closes next from 6 to 18 months after birth; and The anterior fontanelle is generally the last to close between 12-18 months.