4b73950a_all_the_bones__notes
[feature] external acoustic meatus [bone] temporal [description] (external acoustic meatus; EAM) the opening in the lateral surface of the temporal bone [notes] 
it extends medially from the surface to the tympanic membrane; it allows sound to reach the tympanic membrane; the medial 1/3 of the external acoustic meatus is bony and the lateral 2/3 is formed by cartilage
all the bones
notes