Fig. 3.
Cholinergic agonists excite a T stellate cell but do not affect a D stellate cell. Bath application of 100 μm carbachol (A), 20 μm muscarine (B), and 2 μm nicotine (C) increased the spontaneous firing rate of a single T stellate cell reversibly.D, The D stellate cell was unaffected by 100 μm carbachol. Experiments were done with normal external and internal solutions.