The external capsule (ec) appears in the following sections (posterior to anterior) of the macaque brain (Macaca fascicularis)

ac -12 mm	ac -11 mm	ac -10 mm	ac -9 mm	ac -8 mm	ac -7 mm	ac -6 mm
ac -5 mm	ac -4 mm	ac -3 mm	ac -2 mm	ac -1 mm	ac 0 mm	ac 1 mm
ac 2 mm	ac 3 mm	ac 4 mm	ac 5 mm	ac 6 mm