FIGURE 7. Responses of neurons of the paraventricular nuclei to graded 
hemorrhage. Increasing stimuli to the magnocellular neurons of 
the paraventricular nuclei resulted in increasing levels of c-Fos 
expression. (A) Control, (B) 2 cc blood removed, (C) 4 cc blood 
removed, (D) 6 cc blood removed. 
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