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Fig. 4. Anatomy of the region where the cranial nerves extend from the brain. (A)
Horizontal section, stained according to Kluver-Barrera. The orange line
surrounds the region of activation. (B) Drawing of the section shown in A
delineating the sensory root of the trigeminal nerve (Vs) and other areas and
nerves. The V is located rostrally to the facial nerve (VIIs) and the anterior
lateral line nerve (alln). It projects to the trigeminal motor nucleus (NVmd)
that innervates the muscles of the jaws. (C) Transverse section in the region
of the sensory and motor nuclei associated with the trigeminal nerve. (D)
Drawing of the section shown in C, delineating the location of the primary
sensory trigeminal nucleus (NVs) dorsally to the trigeminal motor nuclei (NVmd
and NVmv), and ventrally to the commissure of the secondary gustatory nuclei
(cgus). The NVs receives input from the trigeminal nerve and projects to the
valvula cerebelli. For other abbreviations, see List of abbreviations. Scale
bar, 0.3 mm (A,B) and 0.2 mm (C,D).
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