| Name: | forebrain | 
|---|---|
| Synonyms: | prosencephalon | 
| Definition: | The most anterior region the brain including both the telencephalon and diencephalon. | 
| Ontology: | Anatomy Ontology [ZFA:0000109] | 
| Name: | nuclear envelope | 
|---|---|
| Synonyms: | |
| Definition: | The double lipid bilayer that encloses the nucleus, separating its contents from the cytoplasm. It consists of an inner and outer nuclear membrane, with an intermembrane space (20-40 nm wide, also called the perinuclear space) between them. The envelope is supported by the nuclear lamina and contains nuclear pore complexes, which regulate molecular transport. | 
| Ontology: | GO: Cellular Component [GO:0005635] QuickGO AmiGO |