Cross references: Motor Nerve Organization Motor Neuron Evolution
Muscle Innervation Medial Motor Column
Motor neuron disease (Wiki)
upper motor neuron (UMN) and lower motor neuron (LMN), and the symptoms that result from this damage:
The term "bulbar region" in the above table refers to the mouth, face, and throat.
The disease spinal muscular atrophy (SMA) as well as various other spinal muscular atrophies are classified as motor neuron diseases by the disease terminology classification system Medical Subject Headings (MeSH) but not by the tenth International Statistical Classification of Diseases and Related Health Problems (ICD-10) published in 1992; hence, they are not discussed in this article."