| 释义 | pericranium noun[ Cusually singular ]
 anatomy specializeduk /ˌper.iˈkreɪ.ni.əm/ us /ˌper.ɪˈkreɪ.ni.əm/pluralpericraniauk /ˌper.iˈkreɪ.ni.ə/
 a thin layer of tissue covering the outside surface of the skull(= the bones of the head that surround the brain):
 This is a thin membrane, consisting of two layers, the external of which is the pericranium, and the internal layer is the dura mater.
 It is a collection of blood under the pericranium.
 The dura mater and the pericranium, before calcification commences, form one membrane consisting of two laminae.
 They communicate with the meningeal veins and the sinuses of the dura mater, and with the veins of the pericranium.
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