10 Questions
What forms the superior boundary of the middle ear cavity?
Thin bone plate (tegmen tympani)
Which part of the temporal bone primarily forms the lateral boundary of the middle ear space?
Squamous portion
What is located medially than the rim of the tympanic membrane?
Tympanic Membrane
Which part of the middle ear cavity separates it from the jugular fossa?
Tympanic plate of the temporal bone
What is perforated by an opening for the auditory or Eustachian tube?
Carotid wall
Which structure enters the middle ear near the juncture of the posterior and lateral walls?
Chorda tympani
What houses landmarks such as promontory, round window, oval window, and facial nerve prominence?
Medial wall
What separates the middle ear space from mastoid air cells?
Tympanic plate of temporal bone
What is not flat like drum skin and has a concave configuration?
Tympanic Membrane
What structure facilitates communication between the middle ear space and mastoid air cells?
Tegmen tympani
Learn about the changes in air pressure inside the ear as an airplane ascends, and how the middle ear helps in hearing functions by acting as an impedance matching device. Understand how motor activities like swallowing or yawning can alleviate ear pressure.
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