Any apoptotic process in a motor neuron, an efferent neuron that passes from the central nervous system or a ganglion toward or to a muscle and conducts an impulse that causes movement. [ http://www.ncbi.nlm.nih.gov/pubmed/14523086 http://purl.obolibrary.org/obo/CL_0000100 GOC:BHF GOC:mtg_apoptosis ]
Synonyms: motoneuron apoptosis