contributes to morphology of Ammon's horn hippocampal field CA2 field of hippocampus DHBA:10298 field CA2, Ammon's horn (Lorente de Ns) UBERON:0003882 field CA2 hippocampus CA2 region 2 of Ammon's horn CA2 field of hippocampus CA2 field of Ammon's horn CA2 field of the Ammon horn FMA:74044 CA2 field CA2 field of cornu ammonis PBA:10063 HBA:12893 region II of ammon's horn region II of hippocampus proper Part of hippocampus proper bounded by areas CA3 and CA1, characterized by a narrow layer of large pyramidal cells, similar in size to CA3 pyramidal cells, but which lack the mossy fiber input from the dentate gyrus (adapted from Paxinos, G. The rat central nervous system, 2nd ed, Academic Press, San Diego, 1995, pg. 460). CA2 region CA2 MA:0000951 BAMS:CA2 Wikipedia:Region_II_of_hippocampus_proper EMAPA:32769 field CA2 of hippocampus CA2 field of the hippocampus BIRNLEX:1362 DMBA:16136 NCIT:C32247 EFO:0002455 MBA:423