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{%type%} Definitions

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adj. - On or outside the tough fibrous membrane lined with endothelium on the inner surface that envelops the brain and spinal cord external to the arachnoid and pia mater.

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Usage examples (3)
  • Spinal arachnoid cysts are relatively uncommon lesions that may be intradural or extradural with the intradural variety being rare.
  • This atlas illustrates the anatomical structures of the upper basal cisterns, their topography and relationship to other intra - and extradural structures.
  • Once Aadi has been admitted to hospital, Sunita and Dev are informed that their son has suffered an extradural haemorrhage, which is putting pressure on his brain.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.