as these paracrystals are either membrane coated or lie free in the karyoplasm , and as in the perinuclear cytoplasm , membrane coated paracrystals can be demonstrated as well , it is assumed that the cytoplasmic tubulin which is composing the intranuclear division spindle can transverse the intact nuclear envelope via vesicle transport .
C0010834
cytoplasmic
C0028584
nuclear envelope