Eustachian tube anatomy. a. Apr 2, 2024 · Eustachian tubes connect your middle ears to the back of your throat. [1][2] Oct 13, 2022 · The bony (osseous) portion of the Eustachian tube has a length of approximately 12 mm. When you hear Mar 4, 2024 · Each ear has its own Eustachian tube, meaning there are two tubes in total, one for each ear. k. . Dec 18, 2024 · What Are Eustachian Tubes? Your Eustachian tubes are located inside each ear , on the sides of your head. Oct 30, 2023 · Curious about the anatomy and function of the Eustachian (a. auditory/pharyngotympanic) tube? Learn about its openings, structure and dysfunction here! The eustachian tube (pharyngotympanic tube) is a dynamic, trumpet-shaped, mucosa-lined channel that connects the middle ear cavity to the nasopharynx. Mar 23, 2024 · In this article, we shall look at the anatomy of the Eustachian tube – its components, muscles, innervation and clinical correlations. Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Jun 26, 2023 · The Eustachian tube is named after the Italian anatomist, Bartolomeo Eustachi, who observed that it was a canal that connected the nasopharynx to the middle ear. The Eustachian tube is also known as the pharyngotympanic tube or the auditory tube. It extends from the anterior wall of the middle ear to the lateral wall of the nasopharynx. The tubes help drain fluid from your middle ear and balance air pressure inside your ears. It connects the middle ear space, behind the eardrum, to the back of the nose and upper throat. When taking off in an aircraft, the ambient air pressure goes from higher (on the ground) to lower (in the sky). It may be considered part of the protympanum, starting below the tensor tympani muscle and gradually narrowing to end at the angle formed by the junction of squamous and petrous portions of the temporal bone. Sep 5, 2025 · The eustachian tubes connect your middle ears to the upper part of the throat behind the nose. Normally, the Eustachian tube is collapsed, but it gapes open with swallowing and with positive pressure, allowing the middle ear's pressure to adjust to the atmospheric pressure. Also called auditory tubes, eustachian tubes keep the middle ears healthy by equalizing pressure, draining fluids, and protecting your middle ears from pathogens that could cause infections. These tubes connect your middle ear to the back of your nose and throat. ndzf zyn nsnoke jorstwy xnplh usktkke abvvkmg ybgv kpdmlycu wycule