Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The basilar crest gives attachment to the outer edge of the basilar membrane; immediately above the crest is a concavity, the sulcus spiralis externus.
Floor of ductus cochlearis.
This article incorporates text in the public domain from page 1055 of the 20th edition of Gray's Anatomy (1918)
