![neurofibril neurofibril](https://www.tekportal.net/wp-content/uploads/2018/11/neurofibril.jpg)
noun Anatomy.
- a fibril of a nerve cell.
noun
- any of the delicate threads within the body of a nerve cell that extend into the axon and dendrites
n.
- Any of the long, thin, microscopic fibrils that run through the body of a neuron and extend into the axon and dendrites, giving the neuron support and shape.