horseradish peroxidase crystals or hrp-np40 detergent chips were directly applied to brain slices from mice to label primary afferent fibers and their terminal arbors in the brainstem trigeminal complex , and neurons of the ventrobasal complex of the thalamus , their axons in the internal capsule , and their terminals in the primary somatosensory cortex .
C0027882
neurons
C0004461
axons