pac hymen ing i tic (pakimeninjitik)

[ inflammation of the dura mater. 4223 The post-mortem showed an extensive pachymeningitis of the right half of the dura mater. Medical News , XLIX. 554. Pachymeningitis extern a, pachymeningitis involving the outer layers of the dura, usually traumatic. - Pachymeningitis intern a, inflammation of the inner layers of the dura. - Pachymeningitis intern a hemorrhagic a, internal pachymeningitis with the formation on the inner surface of the dura of layers of delicate connective ti ue containing thin-walled and easily rupturing blood ve els. Hence may be found extensive hemorrhages between the layers of the newly formed membrane or between this and the pia. Also called pachymeningitis chronic a hemorrhagic a.