scilearner Posted March 2, 2011 Share Posted March 2, 2011 Hello everyone, I have to write a simple essay about this,I know what to write but I'm stuck with the stimulus so can't start the essay. My text book is so vague. I want to know the stimulus in a haemorrhage. 1. Is it the decrease in renal perfusion pressure detected by afferent arteriole that secretes renin. 2. Or decrease in sodium chloride deteced by the macula densa that stimulates it. Thanks Link to comment Share on other sites More sharing options...
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