part of part of contributes to morphology of cerebral hemisphere island of Calleja http://upload.wikimedia.org/wikipedia/commons/c/c0/Islands_of_Calleja_Rat.jpg GAID:632 UMLS:C0262264 FMA:61888 One of the seven small groups of granule cells in the polymorph layer of the olfactory tubercle and one large group, the insula magna, which lies along the border between septum, nucleus accumbens and nucleus of the diagonal band. DHBA:10358 MESH:D020670 Wikipedia:Islands_of_Calleja insulae olfactoriae BAMS:ISC islands of Calleja (olfactory tubercle) MA:0000977 BAMS:ICj insula callejae BIRNLEX:1113 HBA:265504792 BM:Tel-ISC islands of Calleja Calleja island neuronames:276 PBA:10095 BAMS:isl EMAPA:35452 MBA:481 The islands of Calleja are located within the olfactory tubercle in most species; however, in primates these islands are located within the nucleus accumbens, since the olfactory tubercle is absent or extremely rudimentary in the brains of primates BAMS:IClj UBERON:0001881 nucleus accumbens olfactory tubercle telencephalic nucleus basal nucleus of telencephalon