cm by skeletal muscle greater than skin fibroblasts greater than rat heart muscle greater than c6 glioma cells were the most active on both types of neuron cultures , whereas cm from rat brain , l6 myoblasts , mouse 3t3 , and pyt21 fibroblasts was inactive on spinal cord cultures and only weakly active on sympathetic neurons .
C0007634
cells
C0016030
fibroblasts