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n. pl. per·i·cra·ni·a (-nē-ə)
The external periosteum that covers the outer surface of the skull.

[New Latin pericrānium, from Greek perikrānion, from neuter of perikrānios, around the skull : peri-, peri- + krānion, cranium; see cranium.]

per′i·cra′ni·al adj.


n, pl -nia (-nɪə)
(Anatomy) the fibrous membrane covering the external surface of the skull
[C16: New Latin, from Greek perikranion]
ˌperiˈcranial adj
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References in classic literature ?
Now, Mrs Honour had unluckily poured so much of this liquid fire down her throat, that the smoke of it began to ascend into her pericranium and blinded the eyes of Reason, which is there supposed to keep her residence, while the fire itself from the stomach easily reached the heart, and there inflamed the noble passion of pride.
William Cole, an exponent of the 'Doctrine' wrote 'Wall-nuts have the perfect signature of the Head: The outer husk or green Covering, represent the Pericranium, or outward skin of the skull… if the Kernel be bruised, and moystened with the quintessence of Wine, and laid upon the Crown of the Head, it comforteth the brain and head mightily'.
Then prithee, my good friend, said I, do write a preface for me; for here I have been hammering my pericranium and biting my nails these two hours, without being able to beat out a single sentence, either introductory or prefatory.