Facial nerve&its lesions [COMPLETE VIDEO] | dr krishna sahith

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In this video, we cover the complete anatomy and functions of the Facial Nerve (CN VII) along with a clear, clinical explanation of supranuclear (UMN) and infranuclear (LMN) lesions.

You will learn:
• The nuclei and pathways of the facial nerve
• Motor, sensory, taste, and parasympathetic components
• The course of the nerve through the internal acoustic meatus and facial canal
• How to clinically differentiate supranuclear vs infranuclear lesions
• Why UMN lesions spare the forehead
• Why LMN lesions cause complete ipsilateral facial paralysis
• Key clinical features: hyperacusis, taste loss, tearing/salivation changes
• Common causes: stroke, Bell’s palsy, CPA tumors, temporal bone injury, Ramsay Hunt syndrome

This session is ideal for medical students, NEET PG/INICET aspirants, and clinicians who want a quick, high-yield understanding of facial nerve lesions.

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