throughout development the kd of [ 3h ] cha binding remained relatively stable and for cortex , cerebellum , subcortex , midbrain , brainstem and spinal cord ranged from 2.2 +/- 0.2 to 5.5 +/- 0.6 nm ( mean +/- s.e.m . ) .
C0025462
midbrain
C0006121
brainstem