What is the Eustachian tube and what does it do? The Eustachian tube is a narrow tube that connects the middle ear with the back of the nose. The middle ear space behind the eardrum is normally filled with air. The Eustachian tube is normally closed but opens from...
Dr. Kumaresh Krishnamoorthy
Senior ENT Surgeon & Neurotologist Dual US Fellowship | 25+ Years