meningeal branch of the mandibular nerve meningeal branch of the mandibular nerve the meningeal (recurrent) branch of the mandibular nerve (nervus spinosus) is a branch of the mandibular nerve that supplies the dura mater. meningeal branch of the mandibular nervesphenoid bone. upper surface. (foramen spinosum labeled left, second from bottom.)detailsfrommandibular nerveinnervatesdura materidentifierslatinramus meningeus nervi mandibularista98a14.2.01.065ta26247fma53047anatomical terms of neuroanatomy course the meningeal branch of the mandibular nerve enters the skull through the foramen spinosum along with the middle meningeal artery. it divides into two branches, anterior and posterior, which accompany the main divisions of the artery and supply the dura mater: the posterior branch also supplies the mucous lining of the mastoid cells. the anterior communicates with the meningeal branch of the maxillary nerve.