it was noted that they may be located ( a ) in the nucleus proper , such as parallel fibrillar bundles , virus-like particles , tubulo-membraneous systems and amorphous fibrillo-granular deposits , ( b ) between the inner and outer nuclear membranes , such as cytoplasm-like intrusions , multilocular bodies and electron opaque vacuoles , and ( c ) outside the nucleus proper , such as those cytoplasmic invagination that interdigitate with infoldings of the nuclear membrane .
C1167072
outer nuclear membranes
C0007610
nucleus