part of part of capable of meningeal macrophage A border associated macrophage that is part of a meninx. This macrophage type is elongated and amoeboid spindle-shaped with limited mobility. This macrophage is highly phagocytic, expresses scavenger receptors, has dynamic protrusions and extends its processes during inflammation. subdural leptomeningeal macrophage MnMΦ MM sdΜΦ subdural meningeal macrophage border associated macrophage scavenger receptor activity meninx