ATRIAL MUSCULATURE PLATE 2 
JAMES W. PAPEZ 
SV.C. 
6a 
ere SAN 
PAV 
13 2 
7 
Gh 
1.V.C 
Vent. 
3 
SN.C. 
RAH 
PV. 
(2b I2e 
Ht 
lt 
IV.C. 
281 
