| 单词 | extradural | 
| 释义 | > as lemmasextradural   extradural adj.  Brit. , U.S. outside the dura mater. ΚΠ 1900    W. A. N. Dorland Amer. Illustr. Med. Dict. 249/2  				Extradural. 1907    Practitioner Nov. 731  				The causes of exophthalmos..are..tumours of the optic nerve, which are either intra-dural or extra-dural. 1962    Lancet 27 Jan. 172/1  				The ‘lucid interval’ syndrome, classically associated with extra~dural hæmorrhage. < as lemmas | 
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