cranial base(redirected from base of cranium)
the sloping floor of the cranial cavity. It comprises both the external base of cranium (external view) and the internal base of cranium (internal view).
cra·ni·al base(krānē-ăl bās) [TA]
n.pl the bones forming the base of the skull. In cephalometric analysis, defined by the angle formed by a line drawn basion to point S (sella turcica) and from point S to point N (frontonasal suture).