LEPTOMENINGES

Pronunciation (US):

(GB):

 Dictionary entry overview: What does leptomeninges mean? 

• LEPTOMENINGES (noun)
  The noun LEPTOMENINGES has 1 sense:

1. the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers

  Familiarity information: LEPTOMENINGES used as a noun is very rare.

 Dictionary entry details 

• LEPTOMENINGES (noun)

Sense 1

Meaning:

The two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers

Classified under:

Nouns denoting body parts

Hypernyms ("leptomeninges" is a kind of...):

meninges; meninx (a membrane (one of 3) that envelops the brain and spinal cord)

Meronyms (parts of "leptomeninges"):

arachnoid; arachnoid membrane (the middle of the 3 meninges)

pia mater (the highly vascular innermost of the 3 meninges)

 Context examples 

The presence of multiple meningiomas in the leptomeninges.

(Meningiomatosis, NCI Thesaurus)

A malignant neoplasm that has spread from its original site to the leptomeninges.

(Metastatic Malignant Neoplasm to the Leptomeninges, NCI Thesaurus)

A primary or metastatic malignant tumor involving the leptomeninges.

(Malignant Leptomeningeal Neoplasm, NCI Thesaurus)

A malignant mesenchymal neoplasm arising from the leptomeninges.

(Leptomeningeal Sarcoma, NCI Thesaurus/CDISC)

A diffuse or multifocal proliferation of uniform nevoid polygonal cells in the leptomeninges.

(Diffuse Melanocytosis, NCI Thesaurus/WHO)

A sarcoma arising from the leptomeninges.

(Leptomeningeal Sarcoma, NCI Thesaurus)

A non-neoplastic or neoplastic pathologic process affecting the leptomeninges of the brain.

(Intracranial Leptomeningeal Lesion, NCI Thesaurus)

A medulloblastoma which has spread from its original site to the leptomeninges surrounding the brain and spinal cord.

(Medulloblastoma with Leptomeningeal Spread, NCI Thesaurus)

It involves the superficial cerebral cortex and leptomeninges, and often attaches to the dura.

(Desmoplastic Infantile Astrocytoma, NCI Thesaurus/Adapted from WHO)