Location : The TM is located above the spiral limbus and the spiral organ of Corti and extends along the longitudinal length of the cochlea parallel to the BM.
Function : The tectorial membrane partially covers the hair cells in Organ of Corti and vibrate when fluid sound waves hit it.

Pacinian corpuscles
Location : They are located in dermal layers of the skin as well as skeletal joints.

Pacinian corpuscles are responsible for sensitivity to deep pressure touch and high-frequency vibration.

Vibrio cholerae

Discovery of X-rays