Numerus cable nucleorum (sing core), duo nuclei (coro- duum), tres nuclei, quattuor nuclei (quatuor nuclei aequalis-area-area trium aequalium sectionis areae et sectio minoris areae neutri nuclei), quinque nuclei. (quinque nuclei aequalis area-sectionis vel tres corei areae aequalis-sectionis et duae areae parvae nuclei neutri).