An effector is a tissue structure, namely a muscle or gland, that responds to an efferent impulse. An efferent impulse is a biochemical and electrical impulse that travels via nerve fibers away from the central nervous system. ... Muscles also include smooth muscles, which are under involuntary control.

Why are muscles considered to be effectors?

Muscles and glands are called effectors because they cause an effect in response to directions from the nervous system. This is the motor output or motor function.

What is a effector muscle?

Effectors include muscles and glands - that produce a specific response to a detected stimulus. For example: a muscle contracting to move an arm. muscle squeezing saliva from the salivary gland.