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.
Summary of TV Show. Ni Hao, Kai-lan is based on the childhood memories of the show's creator, Karen Chau, growing up in a bicultural (Chinese-American) household.  Ni hao  means Hi in mandarin, and Kai-Lan is the Chinese name Ms. Chau was given at birth, later Anglicized to Karen. For more information, visit here.