3 Anatomy Terms
| Definition | Name | Synonym | Primary Identifier |
|---|---|---|---|
| Complement of nervous tissue (neurones, nerves, receptors and support cells) serving to detect, relay and coordinate information about an animal`s internal and external environments and to initiate and integrate its effector responses and activities. | nervous system | WBbt:0005735 | |
| neuron with its cell body situated in the head, excluding the pharynx. | head neuron | WBbt:0006751 | |
| body region surrounding the anus. | anal region | WBbt:0006919 |
1 Genes
| WormBase Gene ID | Gene Name | Sequence Name | Organism |
|---|---|---|---|
| WBGene00004773 | sem-4 | F15C11.1 | Caenorhabditis elegans |



