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fos·sa of in·cus[TA]
a small depression in the lower and posterior part of the epitympanic recess that lodges the short limb of the incus.
Farlex Partner Medical Dictionary © Farlex 2012
In the tympanic cavity of the middle ear, a small depression inside the epitympanic recess, in which the short process of the incus fits and is attached by tiny ligaments.
See also: fossa
Medical Dictionary, © 2009 Farlex and Partners