| 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: | ectoderm |
|---|---|
| Synonyms: | |
| Definition: | The outer layer of the embryo derived from the epiblast. The definitive ectoderm will give rise to such tissues as epidermis, the central nervous system, neural crest, and sensory placode. |
| Ontology: | Anatomy Ontology [ZFA:0000016] |