the effect of culture conditions , serum supplementation or chemically defined medium and the influence of thyroid hormone were studied on the development of the na+ , k+-adenosine triphosphatase ( na+ , k+-atpase ) and on the intracellular content of k+ and na+ ions in cultures which either were greatly enriched in a neuronal cell type , the cerebellar granule cells , or contained a mixed population of cells ( brain reaggregates ) .
C0423896
content
C0006104
brain