Eu·sta·chian tube
noun/juːˈsteɪʃn tjuːb/
/juːˈsteɪʃn tuːb/
(anatomy)- a narrow tube that joins the throat to the middle ear
咽鼓管；耳咽管 Word Originmid 18th cent.: named after Bartolomeo Eustachio (died 1574), the Italian anatomist who identified and described it.