part of part of midbrain pia mater meninx of midbrain brain pia mater midbrain pia mater VHOG:0000467 EHDAA2:0001175 midbrain pia mater of neuraxis mesencephalon pia mater pia mater of midbrain midbrain pia mater UBERON:0003551 EMAPA:17794 MA:0001061 pia mater of neuraxis of midbrain RETIRED_EHDAA2:0001110 A pia mater that is part of a midbrain [Automatically generated definition].