1. [ noun ] (biology,anatomy,neuroscience) a nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion
Related terms: nerve_fiber end-plate
2. [ noun ] one who brings about a result or event; one who accomplishes a purpose
Synonyms: effecter
Related terms: person effect
3. [ noun ] (anatomy,zoology) an organ (a gland or muscle) that becomes active in response to nerve impulses
Related terms: sense_organ organ
Similar spelling:   effect