regional part of brain secondary auditory cortex true second auditory area second auditory cortex UBERON:0034752 The part of the auditory cortex that receive more diffuse input from the belt areas of the medial geniculate complex. second auditory area secondary auditory cortex (belt, area 42) belt area of auditory complex DHBA:10239 https://www.ncbi.nlm.nih.gov/pubmed/11377839 FMA:272944 A42 belt auditory area peripheral auditory cortex uberon