subarachnoidaladj.
/ˌsʌbərakˈnɔɪdl/, U.S. /ˌsəbərækˈnɔɪd(ə)l/ Anatomy and Medicine.
= subarachnoid adj.
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the world > life > the body > nervous system > cerebrospinal axis > [adjective] > membranes > arachnoid
arachnoid1789
subarachnoid1819
subarachnoidal1828
arachnoidean1842
subarachnoidian1847
arachnoideous1851
arachnoidal1855
arachnoideal1877
1828 Lancet 30 Aug. 698/2 The communication between the ventricles of the brain and the sub-arachnoidal spinal canal, is found at the termination of the fourth ventricle, called calamus scriptorius.
1876 J. Van Duyn & E. C. Seguin tr. E. L. Wagner Man. Gen. Pathol. 229 The sub-arachnoidal connective-tissue bands and meshes.
1905 W. H. Howell Text-bk. Physiol. xxxiii. 556 After death, also, the liquid present in the subarachnoidal space is soon absorbed.
1964 Brit. Med. Jrnl. 6 June 1480/1 (caption) E.C.G.s of three cases with subarachnoidal bleeding and subendocardial haemorrhages.
2009 M. Gertsch ECG Man. xvii. 196 A cerebral disease such as subarachnoidal haemorrhage, a cerebral insult, or an epileptic attack precedes the appearance of the ECG alteration.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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adj.1828