|  | 1. | The supraclinoid branches of the internal carotid artery flank the chiasm. 
 
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|  | 2. | The major example in the human brain is the Optic chiasm. 
 
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|  | 3. | Several important structures are located adjacent to the optic chiasm. 
 
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|  | 4. | The cavernous sinuses are lateral and inferior to the chiasm. 
 
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|  | 5. | Behind the chiasm lies the floor of the third ventricle. 
 
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|  | 6. | Anterior chiasmal syndrome affects the junction of the optic nerve and chiasm. 
 
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|  | 7. | Gliomas of the optic chiasm are usually derived from astrocytes. 
 
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|  | 8. | Pituitary tumors often encroach upon the middle chiasm from below. 
 
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|  | 9. | Craniopharyngiomas generally approach the optic chiasm from behind and above. 
 
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|  | 10. | Medial sphenoid ridge types can push on the chiasm from the side. 
 
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