| Name: | pectoral fin |
|---|---|
| Synonyms: | forefin, pectoral fins |
| Definition: | Paired fin that is located in the thoracic region of the body. |
| Ontology: | Anatomy Ontology [ZFA:0001161] |
| 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] |