Anterior ethmoidal nerve is a branch of nasociliary nerve. All of the following areas are supplied by anterior ethmoidal nerve, EXCEPT?
**Core Concept**
The **anterior ethmoidal nerve** is a branch of the **nasociliary nerve**, which in turn is a branch of the **ophthalmic division of the trigeminal nerve**. This nerve supplies sensation to parts of the nasal cavity and the eye.
**Why the Correct Answer is Right**
The **anterior ethmoidal nerve** provides sensory innervation to the anterior part of the nasal septum, the lateral nasal wall, and the inferior part of the nasal septum, as well as the skin of the upper eyelid and the bridge of the nose.
**Why Each Wrong Option is Incorrect**
**Option A:** Not provided, assuming it's an area supplied by the nerve.
**Option B:** Not provided, assuming it's an area supplied by the nerve.
**Option C:** Not provided, assuming it's an area supplied by the nerve.
Given the typical areas supplied by the **anterior ethmoidal nerve**, any option not involving the nasal cavity or the anterior eye region would be incorrect.
**Clinical Pearl / High-Yield Fact**
The **anterior ethmoidal nerve** can be a significant landmark and has clinical relevance in procedures involving the nasal cavity and orbit.
**Correct Answer:** Not provided, assuming the question intends to test knowledge of areas not supplied by the **anterior ethmoidal nerve**.