Now, the outer membrane is actually physically connected to the membrane of the rough endoplasmic reticulum. And this is important because when we synthesize our RNA, ribosomal RNA, we have to have a quick way to transport our rRNA from the nucleus to our endoplasmic reticulum. And that's why they are connected. So the inner membrane, so this is the outer membrane that is found on the side of our cytoplasm. But the inner membrane is found on the side of the fluid found inside our nucleus. And the fluid inside the nucleus is known as the nucleoplasm.