following an hrp ( dissolved in 5 % alkyl-phenol ethylene oxide ) injection into the unilateral area pretectalis where fibers of the posterior commissure fan out , retrogradely labeled cells were observed in all of the above described ( posterior commissural fiber recipient ) regions of the pretectal and neighboring structures , with the exception of the somatic cell columns of the oculomotor nucleus and the trochlear nucleus .
C0007634
cells
C0007610
of