FMA definition : Nonparenchymatous organ which has as its direct parts an aggregate of neurons, the
somas of which are located in the neuraxis and their network of neurites (axons) predominantly
located outside the neuraxis.;
Nonparenchymatous organ which has as its direct parts an aggregate of neurons, the
somas of which are located in the neuraxis and their network of neurites (axons) predominantly
located outside the neuraxis.