Podcast
Questions and Answers
Which branch of the trigeminal nerve is primarily responsible for sensory innervation to the forehead and scalp?
Which branch of the trigeminal nerve is primarily responsible for sensory innervation to the forehead and scalp?
- Ophthalmic nerve (correct)
- Mandibular nerve
- Auriculotemporal nerve
- Maxillary nerve
Which trigeminal nerve branch is primarily involved in supplying sensation to the lower jaw and teeth?
Which trigeminal nerve branch is primarily involved in supplying sensation to the lower jaw and teeth?
- Lacrimal nerve
- Zygomatic nerve
- Inferior alveolar nerve (correct)
- Mental nerve
What is the function of the auriculotemporal nerve?
What is the function of the auriculotemporal nerve?
- Motor control of mastication
- Sensory information from the auricle and temporal region (correct)
- Sensory information from the maxillary region
- Innervation of the lacrimal gland
Which of the following nerves is not considered a major branch of the trigeminal nerve?
Which of the following nerves is not considered a major branch of the trigeminal nerve?
The nasociliary nerve branches off from which main branch of the trigeminal nerve?
The nasociliary nerve branches off from which main branch of the trigeminal nerve?
Flashcards
Trigeminal Nerve
Trigeminal Nerve
The largest cranial nerve responsible for sensation in the face, and motor control of chewing muscles.
Ophthalmic Nerve
Ophthalmic Nerve
One of the three branches of the trigeminal nerve, responsible for sensation in the forehead, scalp, and upper eyelid.
Maxillary Nerve
Maxillary Nerve
Another branch of the trigeminal nerve, responsible for sensation in the cheek, upper lip, and teeth.
Mandibular Nerve
Mandibular Nerve
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Mental Nerve
Mental Nerve
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Study Notes
Trigeminal Nerve Branches
- The trigeminal nerve is a large cranial nerve (CN V)
- It has three major branches: ophthalmic (V1), maxillary (V2), and mandibular (V3)
- Each branch supplies sensory innervation to different areas of the face and head.
- Key areas of the face are innervated by the trigeminal nerve branches.
- The trigeminal nerve branches are connected to structures like the pterygopalatine ganglion and the submandibular ganglion
- The trigeminal nerve plays a critical role in sensory perception of touch, pain, temperature and also in the process of chewing.
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