cranial base

(redirected from base of cranium)

cra·ni·al base

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).
Synonym(s): basis cranii [TA], basicranium ☆ , base of cranium

cra·ni·al base

(krānē-ăl bās) [TA]
Sloping floor of cranial cavity; comprises both external base of cranium and internal base of cranium.
Synonym(s): base of cranium, basicranium.

cranial base, 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).