Question

$who\ are\ neurotrophic\ organisms?$

Answer 1

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PLZ CHECK YOUR QUESTION MAYBE ITS HETEROTROPHIC ORGANISM

Answer 2

Neurotrophic means related to the nervous system.

I think neurotrophic is referred to as the parasites which affect nervous system as I've read that the rabies virus is neurotrophic. This virus is said to be neurotrophic in nature because it replicates exclusively in the central nervous system (CNS).  

I hope it helps you