Affector vs. Effector — What's the Difference?

A nerve cell that directly activates a muscle

An organ or cell that acts in response to a stimulus

A muscle, gland, or organ capable of responding to a stimulus, especially a nerve impulse.

A nerve ending that carries impulses to a muscle, gland, or organ and activates muscle contraction or glandular secretion.

(Biochemistry) A small molecule or protein that alters biochemical processes in a cell, as by decreasing or increasing the activity of an enzyme.

(Computers) A device used to produce a desired change in an object in response to input.

(biology) Any muscle, organ etc. that can respond to a stimulus from a nerve.

(biology) The part of a nerve that carries a stimulus to a muscle etc.

(biology) Any small molecule that effects the function of an enzyme by binding to an allosteric site.

An actuator.

An effecter.

One who brings about a result or event; one who accomplishes a purpose

A nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion

An organ (a gland or muscle) that becomes active in response to nerve impulses