neckD = 0.077 // from Harnett et al 2012
neckL = 1.58 // from Harnett et al 2012
headD = 0.5 // estimated using bloss' data, similar to Harnett et al 2012 (=0.5)
headL = headD // from Harnett et al 2012


neckN = 1
headN = 1

objref dendTar // SectionRef of targeted dendrite; used later.