part of part of claustrum of brain telencephalic nucleus endopiriform nucleus MBA:942 endopiriform nucleus neuronames:2276 NLXANAT:091033 layer 4 of piriform cortex BAMS:EP layer 4 of piriform cortex DHBA:10371 EMAPA:35311 An elongated nucleus consisting largely of multipolar spiny cells lying deep to the piriform cortex. According to Price (1990; pp. 979-998 in The Human Nervous System, G. Paxinos, (Ed.), Academic Press, San Diego), it is part of the claustrum. layer IV of piriform cortex OldNeuroNames:2276 UBERON:0014284 layer IV of piriform cortex Maryann E. Martone