Mechanoreceptor

Definition

Mechanoreceptors are sensory receptors that respond to mechanical pressure or distortion. They play a crucial role in detecting tactile sensations, proprioception, and auditory stimuli.

5 Must Know Facts For Your Next Test

1. Mechanoreceptors include types such as Meissner's corpuscles, Pacinian corpuscles, Merkel cells, and Ruffini endings.
2. They convert mechanical stimuli into electrical signals that are interpreted by the brain.
3. These receptors are found in various tissues including the skin, muscles, and inner ear.
4. The density of mechanoreceptors varies across different parts of the body; fingertips have a high concentration for fine touch detection.
5. Mechanoreceptors in the inner ear are essential for balance and hearing.

Review Questions

Related terms

Photoreceptor: A type of sensory receptor that responds to light stimuli.

Nociceptor: A sensory receptor that responds to potentially damaging stimuli by sending pain signals.

Chemoreceptor: A sensory receptor that responds to chemical stimuli in the environment or within the body.