primary astroglial enriched cultures from newborn rat cerebral hemispheres , striatum or cerebral cortex , grown for 3 days , were co-cultivated with primary neuron-containing cultures from 15- to 17-day rat embryo cerebral hemispheres , substantia nigra or brainstem , respectively , grown for 10 days on polylysine-coated surfaces .
C0007776
cerebral cortex
C0228174
cerebral hemispheres