me·ninx (m  n ngks)n. pl. me·nin·ges (m  -nnjz) A membrane, especially one of the three membranes enclosing the brain and spinal cord in vertebrates. [Greek m ninx.] |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  meninx - a membrane (one of 3) that envelops the brain and spinal cordtissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants leptomeninges - the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers dura, dura mater - the outermost (and toughest) of the 3 meninges arachnoid, arachnoid membrane - the middle of the 3 meninges pia mater - the highly vascular innermost of the 3 meninges subarachnoid space - a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospinal fluid |
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