| Name: | spinal cord |
|---|---|
| Synonyms: | medulla spinalis, spinal cord structure |
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0000075] |
| 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 |
| Name: | surrounding |
|---|---|
| Synonyms: | encircling, enclosing, wrapping |
| Definition: | A spatial quality inhering in a bearer by virtue of the bearer's being extended on all sides of another entity simultaneously. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001772] |
| Name: | neuronal cell body |
|---|---|
| Synonyms: | neuron cell body, neuronal cell soma |
| Definition: | The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites. |
| Ontology: | GO: Cellular Component [GO:0043025] QuickGO AmiGO |