effector

nouns

one who brings about a result or event; one who accomplishes a purpose
effecter, effector
is derived from
effect
a nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion
effector
is a type of (narrower)
a threadlike extension of a nerve cell
nerve fiber, nerve fibre
an organ (a gland or muscle) that becomes active in response to nerve impulses
effector
antonym
receptor
is a type of (narrower)
a fully differentiated structural and functional unit in an animal that is specialized for some particular function
organ