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a chemical substance formed in a neuron and able to activate or modify the function of a neighboring neuron, muscle, or gland. adj., adj neurohu´moral.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
neurohumora hormone secreted by a NERVE ENDING.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005