polar notch (pn)
The term polar notch refers to a small dimple variably present on the dorsal surface of the frontal lobe of the macaque. It is located anterior to the prearcuate notch (macaque) and the superior limb of the arcuate sulcus ( Bonin-1947 ).
Also known as: sulcus frontalis superior anterior, anterior superior frontal sulcus, polar notch
NeuroNames ID: 838
