external base of skull

external surface of cranial base

[TA]
external aspect of the base of skull.
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
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