trophic substance

trophic substance

a hypothetical substance that is thought to be released from the terminals of neurones to influence the postsynaptic cell.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Instead, grafts may secrete one or more unidentified "trophic substances" that stimulate the brain's own recovery processes.