| Name: | optic tectum |
|---|---|
| Synonyms: | dorsal midbrain, mesencephalic tectum, tectal lobe, tectum, tectum opticum |
| Definition: | Multi-tissue structure that is the dorsal part of the midbrain and develops from the alar plate and is the most complex layered structure in the zebrafish brain. |
| Ontology: | Anatomy Ontology [ZFA:0000445] |
| Name: | myelin sheath |
|---|---|
| Synonyms: | astrocyte sheath, oligodendrocyte myelin sheath, Schwann cell myelin sheath |
| Definition: | An electrically insulating fatty layer that surrounds the axons of many neurons. It is an outgrowth of glial cells: Schwann cells supply the myelin for peripheral neurons while oligodendrocytes supply it to those of the central nervous system. |
| Ontology: | GO: Cellular Component [GO:0043209] QuickGO AmiGO |