Anterior wall of tympanic cavity contains:
The anterior wall has a thin plate of bone which separates the cavity from internal carotid. It also has two openings - the lower one for Eustachian tube and the upper one for the canal of tensor tympani muscle.
Promontry
Bony pa of pharyngotympanic tube
Processus cochleariformis
Tensor tympani muscle
Tensor tympani muscle