The eustachian tube is also known as the pharyngotympanic tube it connects the middle ear to the lateral wall of the nasopharynx it equalizes pressure across the two cavities and opens during activities such as swallowing yawning or the valsalva maneuver as well as during changes in atmospheric pressure. Full text of on the muscles which open the eustachian tube see other formats 286 february 17 1853 j p gassiot esq vp in the chair. The author commences by alluding to the opinion generally held by anatomists viz that the guttural orifice of the eustachian tube is always open and that the air in the tympanum is constantly continuous with that in the cavity of the fauces an examination of the guttural orifice of the tube in. The muscles of the eustachian tube system help open and close the tube thus allowing it to perform its function these muscles are the 1 tensor veli palatini 2 levator veli palatini 3 salpingopharyngeus and 4 tensor tympani
How it works:
1. Register a Free 1 month Trial Account.
2. Download as many books as you like ( Personal use )
3. No Commitment. Cancel anytime.
4. Join Over 100.000 Happy Readers.
5. That's it. What you waiting for? Sign Up and Get Your Books.