A Neuroregulin Is A

Multiple Choice

A neuroregulin is a:

A) chemical mediator that initiates signals from the anterior horn cell of the spinal card to the axon of motor nerve branches of groups of muscle fibers.
B) neurotransmitter that provides a means of reporting changes in length, tension, velocity, and tone in muscles.
C) proteoglycan secreted by neurons that increases acetylcholine receptors.
D) mechanoreceptor that lies parallel to muscle fibers and responds to muscle stretching.