Fig. 3.
Comparison of the distribution patterns of GABAA and GABAB receptors in the relay stations of the auditory brainstem of the rhesus monkey. At the level of the dorsal cochlear nucleus (DCN) the superficial granular cell layer is labelled; VCN, ventral cochlear nucleus. For a better orientation, at the level of the SOC Nissl stainings are provided. The MSO is the needle-shaped structure indicated by arrows; MNTB, medial nucleus of the trapezoid body. For the CN and the IC, GABAA receptor densities were below detection levels. GABAB receptors were found especially in the DCIC (dorsal cortex of the IC) whereas the CIC (central nucleus of the IC) was weakly labelled.