external base of skull
external surface of cranial base[TA]
external aspect of the base of skull.
Synonym(s): basis cranii externa [TA], external base of skull, norma basilaris, norma inferior, norma ventralis
Farlex Partner Medical Dictionary © Farlex 2012
ex·ter·nal base of skull(eks-tĕr'năl bās skŭl)
External aspect of the base of the cranium.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012