| Name: | rhombomere 8 | 
|---|---|
| Synonyms: | r8 | 
| Definition: | Posteriormost hindbrain segment or neuromere. | 
| Ontology: | Anatomy Ontology [ZFA:0000153] | 
| Name: | motor neuron | 
|---|---|
| Synonyms: | motoneuron | 
| Definition: | 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. | 
| Ontology: | Anatomy Ontology [ZFA:0009052] |