Section 61: The incudomalleal joint (arrow) between the malleus (m) and incus (i) can be seen. Here, the facial nerve is in two parts: VIIa - within the internal auditory meatus and the beginning of the labyrinthine segment; VIId - beginning of its tympanic segment. The lateral canal (lsc) and the non-sensory portion of the superior canal (ssc) can be seen.