Helicotrema
Helicotrema
Definition
Near the summit of the cochlea the lamina ends in a hook-shaped process, the hamulus laminæ spiralis; this assists in forming the boundary of a small opening, the helicotrema, through which the two scalæ communicate with each other.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
