| Name: | post-vent region | 
|---|---|
| Synonyms: | tail | 
| Definition: | Organism subdivision which is the part of the body posterior to the vent which includes the anal and caudal fins. | 
| Ontology: | Anatomy Ontology [ZFA:0001117] | 
| 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] |