innervates nervus corporis cardiaci I Nerve bundle that carries axons of neurosecretory neurons of the pars intercerebralis to the corpus cardiacum (de Velasco et al., 2007; Hartenstein, 2006). fly_anatomy.ontology FBbt:00001721 VFB:FBbt_00001721 The two nerves, NccI and NccII, travel alongside each other after the medial edge of the protocerebrum, and are enclosed by a single perineurial sheath (Hartenstein, 2006). NccI pars intercerebralis nervus corporis cardiaci