trochlear fovea trochlear fovea the trochlear fovea is a slight depression on the anteromedial orbital surface of the orbital plate of the frontal bone. attached to the trochlear fovea is the trochlea of the superior oblique muscle. trochlear foveafrontal bone. inner surface. (trochlear fovea not directly labeled, but visible at bottom right.)detailsidentifierslatinfovea trochlearista98a02.1.03.025ta2545fma57399anatomical terms of bone