Solving the neutrino puzzles through a radiative extended lepton model

Assuming that the actual neutrino puzzles (solar, atmospheric, and providin g the HDM of the Universe) are real, and that their "standard" theoretical explanations are implemented by Nature, we propose a natural scenario for g enerating the required neutrino mass texture. We suppose the existence of a mirror world with the same Standard Model group structure and particle con tent for both the ordinary and the mirror world. The various one-loop neutr ino masses are evaluated and are found to give a good overall agreement wit h the phenomenologically required values.