Case #1
The ophthalmic artery arises from the middle meningeal artery in this case. The anterior falx artery (anterior meningeal artery) is enlarged and supplying a frontal meningioma.
Case #2
The anterior falx artery (anterior meningeal artery) is a branch of the ophthalmic artery. It can enlarge and provide additional intracranial blood flow in patients with moyamoya disease.
Case #3
Anomalous origin of ophthalmic artery from the middle meningeal artery in patient with a juvenile nasal angiofibroma.