| 11. | The foramen of Panizza connects the left and right aorta.
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| 12. | It has a conical boss on the parietal surrounding the pineal foramen.
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| 13. | This flap of tissue is called the valve of the foramen ovale.
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| 14. | The foramen magnum is much larger than the occipital condyle.
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| 15. | Ideally this debridement would terminate exactly at the apical foramen.
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| 16. | This anatomical variant is known as an arcuate foramen.
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| 17. | Jacob Winslow is credited with first documenting the existence of the foramen spinosum.
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| 18. | The zygomatic nerve passes through the zygomatic-orbital foramen on this surface.
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| 19. | Most infections spread through the apical foramen from the pulp to periapical tissue.
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| 20. | Also an inferior petrosal sinus enters the sigmoid sinus near the jugular foramen.
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