Podcast
Questions and Answers
Which cranial nerve passes through the cribriform plate?
Which cranial nerve passes through the cribriform plate?
- Optic nerve
- Abducent nerve
- Trochlear nerve
- Olfactory nerve (correct)
Which foramen does the optic nerve pass through?
Which foramen does the optic nerve pass through?
- Optic canal (correct)
- Foramen rotundum
- Foramen ovale
- Superior orbital fissure
Which cranial nerve does not pass through the superior orbital fissure?
Which cranial nerve does not pass through the superior orbital fissure?
- Trochlear nerve
- Oculomotor nerve
- Optic nerve (correct)
- Abducent nerve
What branch of the trigeminal nerve passes through the foramen rotundum?
What branch of the trigeminal nerve passes through the foramen rotundum?
Which cranial nerve is also known as the abducent nerve?
Which cranial nerve is also known as the abducent nerve?
Which structure passes through the foramen spinosum?
Which structure passes through the foramen spinosum?
Which cranial nerve is also known as the facial nerve?
Which cranial nerve is also known as the facial nerve?
Which cranial nerve is also known as the vestibulocochlear nerve?
Which cranial nerve is also known as the vestibulocochlear nerve?
Which cranial nerve is also known as the glossopharyngeal nerve?
Which cranial nerve is also known as the glossopharyngeal nerve?
The vagus nerve passes through which foramen?
The vagus nerve passes through which foramen?
The hypoglossal nerve passes through which canal?
The hypoglossal nerve passes through which canal?
The spinal root of the accessory nerve passes through which foramen?
The spinal root of the accessory nerve passes through which foramen?
Which cranial fossa contains the cribriform plate?
Which cranial fossa contains the cribriform plate?
Through which cranial fossa does the facial nerve pass?
Through which cranial fossa does the facial nerve pass?
Which cranial fossa houses the foramen ovale?
Which cranial fossa houses the foramen ovale?
Which of the following passes through the jugular foramen?
Which of the following passes through the jugular foramen?
Which of the following passes through the foramen magnum?
Which of the following passes through the foramen magnum?
What structure besides cranial nerves passes through the superior orbital fissure?
What structure besides cranial nerves passes through the superior orbital fissure?
Through which foramen does the mandibular branch of the trigeminal nerve pass?
Through which foramen does the mandibular branch of the trigeminal nerve pass?
Which foramen is located in the middle cranial fossa?
Which foramen is located in the middle cranial fossa?
Which of the following structures passes through the hypoglossal canal?
Which of the following structures passes through the hypoglossal canal?
Which of the following cranial nerves passes through the internal auditory meatus?
Which of the following cranial nerves passes through the internal auditory meatus?
With which cranial fossa is the jugular foramen associated?
With which cranial fossa is the jugular foramen associated?
Which artery passes through the foramen magnum?
Which artery passes through the foramen magnum?
CN 11 (Accessory nerve) passes through which foramen?
CN 11 (Accessory nerve) passes through which foramen?
Flashcards
Cribriform plate
Cribriform plate
The foramen in the anterior cranial fossa that transmits the Olfactory nerve (CN I).
Optic Canal
Optic Canal
The foramen that carries the Optic nerve (CN II) and Ophthalmic artery.
Superior Orbital Fissure
Superior Orbital Fissure
The fissure that transmits the Oculomotor nerve (CN III), Trochlear nerve (CN IV), Ophthalmic branch of the Trigeminal nerve (CN V₁), and Abducent nerve (CN VI).
Foramen Rotundum
Foramen Rotundum
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Foramen Ovale
Foramen Ovale
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Foramen Spinosum
Foramen Spinosum
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Internal Auditory Meatus
Internal Auditory Meatus
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Jugular Foramen
Jugular Foramen
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Hypoglossal Canal
Hypoglossal Canal
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Foramen Magnum
Foramen Magnum
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Study Notes
- Cranial fossae are depressions in the base of the skull that support the brain.
Anterior Cranial Fossa
- Cribriform plate allows passage of CN I (Olfactory nerve).
Middle Cranial Fossa
- Optic canal transmits CN 2 (Optic nerve) and the ophthalmic artery.
- Superior orbital fissure allows passage of CN 3 (Oculomotor nerve), CN 4 (Trochlear nerve), CN 51 (Trigeminal Nerve - Ophthalmic Branch), and CN 6 (Abducent nerve).
- Foramen Rotundum allows of CN 52 (Trigeminal Nerve - Maxillary Branch).
- Foramen Ovale allows passage of CN 53 (Trigeminal Nerve - Mandibular Branch).
- Foramen Spinosum allows passage of the Middle Meningeal Artery.
Posterior Cranial Fossa
- Internal Auditory Meatus transmits CN 7 (Facial nerve) and CN 8 (Vestibulocochlear nerve).
- Jugular Foramen allows passage of CN 9 (Glossopharyngeal nerve), CN 10 (Vagus nerve), and CN 11 (Accessory nerve) along with the Jugular vein.
- Hypoglossal Canal allows passage of CN XII (Hypoglossal nerve).
- Foramen Magnum transmits the Brainstem, spinal root of CN XI (Accessory nerve), and vertebral arteries.
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