The heterochromatic regions are the areas near the centromeres and nucleolar organizers.

Evaluation of nucleolar organizer region-associated proteins in breast malignancy.

These regions are called nucleolar organizer regions (NOR).

The nucleolus organizer region (NOR) or nucleolar organizer is a chromosomal region around which the nucleolus forms.

She also discovered a structure called the nucleolar organizer of the chromosome, which seemed to order the genetic material during cell division, a finding that was not explained by molecular biologists for three more decades.

When he was through, Norma couldn't believe what she had heard.

We learn he is on his way to meet Norma.

There never was a good time to talk to Norma.

Norma thought it might be exactly what she needed right now.

He thought Norma was going to live to fight another day.

I'll never play Norma again, and she's been a great part of my life.

He had known Norma would be too independent to just leave.

There wasn't much for Norma to do but sit and think.

Still, he was always on hand when needed; Norma made sure of that.

Despite the noise in the little room, Norma heard him speak.

Finished with her main work, Norma knew it was time to change.

If Norma caused trouble, he could always come back later- with force.

But Norma still could not forget about him and decided to come back.

According to Norma they made coffee and talked all night about the future.

Beloved husband and best friend of Norma for 48 years.

Part of his mind had expected Norma to be suspicious.

I had to hold her down while Norma did the honors.

Even his fears - for Norma were changed in kind.

Norma Major was terrified of her, but so were most people.

Norma struggled to break free, but two strong men held her down.

And now, Norma, please keep everybody off my neck that you can.

She spoke to Norma for several minutes, then hung up.

Now Norma found herself caught in a realm she did not understand.

"Call me when you get back and we'll have dinner," said a woman named Norma.

Her mother would make certain Norma understood how great a failure she was.