Definition of leptomeninges in English:

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leptomeninges

Pronunciation: /ˌleptōməˈninjēz/

plural noun

Anatomy
The inner two meninges, the arachnoid and the pia mater, between which circulates the cerebrospinal fluid.
Example sentences
  • Arachnoid and pia are also called leptomeninges (thin membranes).
  • Primary malignant melanoma most commonly originates from the skin; other less common sites include the mucous membranes, uvea, retina, and leptomeninges.
  • Lesions in the cerebral hemispheres and brainstem included perivascular lymphocytes in leptomeninges and parenchyma, with scattered microglial nodules in gray and white matter.

Derivatives

leptomeningeal

Pronunciation: /-ˌmenənˈjēəl/
adjective
Example sentences
  • Therefore, an MRI of the brain was performed, which demonstrated a small mass lesion in the left medial temporal lobe and suspicious leptomeningeal enhancement over both parietal regions.
  • Tumor infiltration of leptomeningeal veins, cranial nerves, and spinal roots was also noted.
  • Dural, leptomeningeal, or ependymal enhancement are typical findings, none of which were present in this patient.
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