from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. serving to cover something
- adj. of or pertaining to the tectorium
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to covering; -- applied to a membrane immediately over the organ of Corti in the internal ear.
from The Century Dictionary and Cyclopedia
- Covering, as if roofing over; forming a structure like a roof over something; roofing; tegminal: as, the tectorial membrane of the ear (which see, under membrane).
Sorry, no etymologies found.
The free ends of the outer hair cells occupy a series of apertures in a net-like membrane, the reticular membrane, and the entire organ is covered by the tectorial membrane.
Covering the sulcus spiralis internus and the spiral organ of Corti is the tectorial membrane, which is attached to the limbus laminæ spiralis close to the inner edge of the vestibular membrane.
Hardesty151 considers the tectorial membrane as the vibrating mechanism in the cochlea.
PC, pillar cells; SM, scala media; ST, scala tympani; SV, scala vestibuli; TM, tectorial membrane.
From postnatal day P5 cochlear development is severely impaired in mutant Igf1 −/− mice, which develop a smaller cochlea with an immature tectorial membrane.
Such sensitivity and precision, seen also among other mammals, derives from a complex interaction of cochlear hair cells and the tectorial membrane (TM) within the organ of Corti.