tympanic lamella (of osseous spiral lamina)

(redirected from tympanic lamella of osseous spiral lamina)

tympanic lamella (of osseous spiral lamina)

[TA]
the thinner of two plates of bone, incompletely separated from each other by canals for peripheral fibers from the spiral (cochlear) ganglion, which together comprise the osseous spiral lamina; this plate lies on the side of the scala tympani, forming a portion of its wall.