Common crus of semicircular duct

Definition

A nonampullary end of the superior or posterior semicircular ducts.

Also known as common membranous limb of membranous semicircular ducts, common membranous limb of semicircular ducts, crus membranaceum commune ductus semicircularis, crus membranaceum commune ductuum semicircularium — per UBERON

The Common crus of semicircular duct is a part of the Sensory (Ear).