Grey matter refers to unmyelinated neurons and other cells of the central nervous system. It is present in the brain, brainstem and cerebellum, and present throughout the spinal cord.rey matter refers to unmyelinated neurons and other cells of the central nervous system. It is present in the brain, brainstem and cerebellum, and present throughout the spinal cord.
Kaz Tada (left) was one of those rounded up. Kaz was a Nisei  a person born in America of parents who immigrated from Japan. Nisei is a Japanese word meaning second generation. Isei refers to first generation immigrants, those who came the U.S. from Japan. And Sensei refers to third generation Japanese Americans.
Japan (Japanese: æ¥æ¬ Nippon or Nihon; formally æ¥æ¬å½ Nippon-koku or Nihon-koku, meaning State of Japan) is a sovereign island nation in East Asia. Located in the Pacific Ocean, it lies off the eastern coast of the Asian mainland, and stretches from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the southwest.