neu·ro·crine \ˈn(y)u̇rəkrə̇n; -ˌkrin, -rīn, -rēn\adjective Etymology:neur- + endocrine : of, relating to, or being a hormonal substance that influences the activity of the nerves < neurocrine synaptic transmission > • neu·ro·crin·ism\-_krə̇ˌnizəm, -ˌkrīˌ-, -ˌkrēˌ-\noun-s