for i=0,PARAM_NUMSEC_SOMA-1 soma[i] {
    insert passsd
    g_passsd=G_pas
    erev_passsd=E_pas
    Ra = Ri
    cm = Cm
}

for i=0,PARAM_NUMSEC_DEND-1 dend[i] {
    insert passsd
    g_passsd=G_pas
    erev_passsd=E_pas
    Ra = Ri
    cm = Cm
}

for i=0,PARAM_NUMSEC_AXON-1 axon[i] {
    insert passaxon
    g_passaxon=G_pas
    erev_passaxon=E_pas
    Ra = Ri
    cm = Cm
} 

geom_nseg()