In the fracture of middle cranial fossa, loss of taste sensations from palate would be due to lesion in
**Core Concept**
The middle cranial fossa houses several critical structures, including the temporal lobe, the pituitary gland, and the nerves responsible for taste and facial sensation. The nerves involved in transmitting taste sensations from the palate are the facial nerve (cranial nerve VII) and the glossopharyngeal nerve (cranial nerve IX).
**Why the Correct Answer is Right**
The facial nerve is responsible for transmitting taste sensations from the anterior two-thirds of the tongue and the palate. It passes through the stylomastoid foramen, but before that, it traverses the middle cranial fossa, where it is at risk of injury in the event of a fracture. A lesion in the facial nerve would result in the loss of taste sensations from the palate.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because the trigeminal nerve (cranial nerve V) is primarily responsible for facial sensation, not taste.
**Option B:** Incorrect because the vagus nerve (cranial nerve X) is involved in various functions, including swallowing and speech, but not taste from the palate.
**Option C:** Incorrect because the glossopharyngeal nerve (cranial nerve IX) is responsible for taste sensations from the posterior one-third of the tongue, not the palate.
**Clinical Pearl / High-Yield Fact**
In the event of a middle cranial fossa fracture, it is essential to assess for facial nerve palsy, which can manifest as a loss of taste sensations from the palate, weakness of the facial muscles, and changes in tear and saliva production.
**Correct Answer:** C.