within both nuclei , the projections have a highly specific distribution pattern , appearing to correspond largely to structural subdivisions , including the dorsomedial , medial , ventrolateral , ventral , and commissural nts , and to cell group `` '' a , '' '' a caudally located dorsomedial region , and peripheral regions of the dvn , some of which appear to be involved in cardiovascular regulation .
C0007610
nuclei
C0007634
cell