limbus laminae spiralis osseae


spiral limbus

[TA] the border of the spiral lamina; the thickened periosteum covering the upper plate of the bony spiral lamina of the cochlea. Synonym(s): limbus spiralis [TA], limbus laminae spiralis osseae

limbus laminae spiralis osseae

A thickening of the periosteum of the osseous spiral lamina of the cochlea to which the tectorial membrane is attached.See also: limbus