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Table 1 Distribution of the NADPH- positive cardiac neurons of the mouse atria (means), according to their morphologic types.

From: NADPH- Diaphorase positive cardiac neurons in the atria of mice. A morphoquantitative study

Nerve cell group location Unipolar Bipolar Multipolar Total number of Neurons %
Cranially to the pulmonary veins 32 5 1 38 66,7
Caudally to the pulmonary veins 11 3 1 15 26,3
In the interatrial groove 2 1 1 4 7,0
Total number of neurons (n = 5) 45 9 3 57  
% 78.9 15.8 5.3 100