Nerves · Nervous System · Hard
Petrosal
Meaning: Describing nerves passing through the dense part of the temporal bone, such as the greater one carrying fibres for tear production.
In practice: Injury to the greater petrosal nerve can cause a dry eye on the affected side.
Quick check
Two questions on related nerves words.
Which word means: A network of intersecting nerves that supply a region of the body.
Answer: Plexus
Which word means: The 3rd cranial nerve controlling most eye movements.
Answer: Oculomotor
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