| Name: | rhombomere 4 |
|---|---|
| Synonyms: | r4 |
| Definition: | Hindbrain segment or neuromere posterior to rhombomere 3. |
| Ontology: | Anatomy Ontology [ZFA:0001032] |
| 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] |