[TA] a branch of either the middle meningeal or maxillary artery in the infratemporal fossa and passing superiorly through the foramen ovale to supply the trigeminal ganglion, dura mater, and inner table of bone. SYN: ramus accessorius arteriae meningeae mediae [TA], accessory meningeal branch of middle meningeal artery, ramus meningeus accessorius arteriae meningeae mediae.