mediostapedial
Me`di*o*sta*pe"di*al, a. Etym: [L. medius middle + E. stapedial.] (Anat.) Defn: Pertaining to that part of the columella of the ear which, in some animals, connects the stapes with the other parts of the columella. -- n. Defn: The mediostapedial part of the columella.