The “sheltering” coverings of the central nervous system. See arachnoid m., dura m., pia m.. [L. mother]
- arachnoidea m. encephali cranial arachnoid m..
- cranial pia m. [TA] the pia m. found specifically around the brain; contiguous with the arachnoid m. via the arachnoid trabeculae. SEE ALSO: pia m.. SYN: pia m. encephali.
- pia m. encephali cranial pia m..
- spinal pia m. [TA] the pia m. found specifically around the spinal cord; includes specializations such as the denticulate ligaments. SEE ALSO: pia m.. SYN: pia m. spinalis [TA].
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ma·ter (maґtər) [L.] mother.Medical dictionary. 2011.