1. Functional Components GSE: III, IV, VI, XII GVE (parasympathetic): III, VII, IX, X GVA: VII, IX, X GSA: V, VII, IX, X SVE: V, VII, IX, X, XI SVA: I, VII, IX, X SSA: II, VII

2. Representative Hindbrain Nuclei CN XII: GSE N. ambiguus: SVE, GVE DMNV:GVE N. solitarius: GVA, SVA Spinal trigeminal nucleus: GSA Vestibular N.: SSA Cochlear N.: SSA

3. Glossopharyngeal Motor –Nucleus ambiguus Sensory –Nucleus of the solitary tract (NTS) –Spinal Trigeminal Nucleus (SPTTN) Parasympathetic –Inferior Salivatory Nucleus

4. Vagus Motor –Nucleus ambiguus Sensory –Nucleus of the solitary tract (NTS) –Spinal Trigeminal Nucleus (SPTTN) Parasympathetic –Dorsal motor nucleus of the vagus (DMNV)

5. Accessory Spinal –Motor to sternocleidomastoid and trapezius –C1 –C5 –enters skull through the foramen magnum Cranial –Nucleus ambiguus Leaves skull through the jugular foramen

6. Hypoglossal N. GSE -intrinsic and extrinsic muscles of the tongue Leaves skull through the hypoglossal foramen