this diagram illustrates the hypoglossal nerve's origin and branches
showing:
1. Hypoglossal nerve
2. nerve to dura matter
3. nerve to ganglion nodosum of vagus
4. branch from first cervical to hypoglossal
5. muscular branches
6. nerve to the tongue
7. lingual nerve
8. nerve to geniohyoid muscle
9. nerve to thyrohyoid muscle
10. nerve to superior belly of omohyoid muscle
11. nerve to sternohyoid muscle
12. nerve to sternothyroid muscle
13. nerve to inferior belly of omohyoid muscle
14. descending hypoglossal nerve
15. descending cervical nerve
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