osseous spiral lamina

(redirected from lamina spiralis ossea)

os·se·ous spi·ral lam·i·na

[TA]
a double plate of bone winding spirally around the modiolus, dividing the spiral canal of the cochlea incompletely into two regions, the scala tympani and scala vestibuli; between the two plates of this lamina, the fibers of the cochlear nerve reach the spiral organ (of Corti).
Farlex Partner Medical Dictionary © Farlex 2012

os·se·ous spi·ral lam·i·na

(os'ē-ŭs spī'răl lam'i-nă) [TA]
A double plate of bone winding spirally around the modiolus dividing thespiral canal of the cochlea incompletely into two, scala tympani and scala vestibuli; between the two plates of this lamina the fibers of the cochlear nerve reach the spiral organ (organ of Corti).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012