What is the middle ear?
The middle ear is a part of an ear. (1)
What does a middle ear contain?
eardrum (1)
a small, air-filled chamber that contains 3 tiny bones: the hammer, anvil, and stirrup. (1)
2 muscles (1)
the oval window (1)
the eustachian tube (1)
Resources
1. https://www.msdvetmanual.com/dog-owners/ear-disorders-of-dogs/ear-structure-and-function-in-dogs
