Nebulin

A protein found in skeletal muscle thought to control the thin filaments within the muscle. Individuals with nemaline myopathy have a reduced level of nebulin.


Nemaline myopathy

A group of genetic conditions causing muscle weakness and wasting. The muscles of the face, arms and proximal limbs are affected.


Nerves

The bundles of axons which transmit signals around the body.


Neuromuscular junction

Where a muscle fibre and a nerve meet.

Neuron

Cells that produce signals, in the form of electrical impulses, which travel via the axons.

Nucleotide

The structural unit (building block) of DNA and RNA.