Lecture 1 Foramen and their Contents Flashcards
Name the three foramen located on the sphenoid bone
Foramen Rotundum
Foramen Ovale
Foramen Spinosum
What lies in the sella turcica (hypophyseal fossa)?
The pituitary gland
Where is the olfactory foramina located?
Ethmoid bone on the cribriform plate
What bone does the carotid canal lie on?
Sphenoid
The optic canal houses which cranial nerve?
Optic Nerve
Cranial Nerve II
The superior orbital fissure houses which cranial nerves ? (There’s 4)
- Oculomotor n. (CN III)
- Trochlear n. (CN IV)
- Trigeminal n. Branch 1 or Ophthalmic nerve (CN V1)
- Abducens n. (CN VI)
Which nerve passes through foramen rotundum?
Trigeminal n. Branch 2 or Maxillary n. (CN V2)
Which nerve passes through foramen ovale?
Trigeminal n. Branch 3 or Mandibular n. (CN V3)
Which nerve passes through the internal acoustic meatus? (There’s 2)
Facial N. (CN VII)
Vestibulocochlear N. (CN VIII)
What passes through the jugular foramen? (3 CN nerves and one other structure)
Glosopharyngeal n. (CN IX)
Vagus n. (CN X)
Accessory n. (CN XI)
Internal jugular vein
What nerve passes through the hypoglossal canal?
Hypoglossal n. (CN XII)