How to Use "foramen" with Example Sentences

1. Patent foramen ovale and recurrent stroke closure is the best option ?
2. May observe cerebellar herniation through foramen magnum .
3. Meningioma of the foramen occipitable magnum .
4. Objective to study the mechanism and differential diagnosis of cervical nerve compression syndrome of the external intervertebral foramen .
5. Patent foramen ovale and cryptogenic stroke .