| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | astrocyte | United States | Astrocytes are recognized as vital cells in the central nervous system, playing key roles in neuronal support and function. | 1 |
| 2 | astrocyte | United States | Astrocytes are considered an important type of glial cell in the central nervous system, providing support and nutritional benefits to neurons. | 1 |
| 3 | heliosphere | United States | The heliosphere is a region of space dominated by the Sun's influence and extends far beyond the orbit of Pluto. | 1 |