Advertisement

Advertisement

muscle spindle

noun

  1. Cell Biology. a proprioceptor in skeletal muscle, composed of striated muscle fibers and sensory nerve endings in a connective tissue sheath, that conveys information via the spinal nerves on the state of muscle stretch, important in the reflex mechanism that maintains body posture.


Discover More

Word History and Origins

Origin of muscle spindle1

First recorded in 1890–95

Advertisement

Word of the Day

petrichor

[pet-ri-kawr]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement


Muscle Shoalsmuscone