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.
âYoda, to Luke Skywalker. Yoda, a male member of a mysterious species, was a revered Jedi Master who served as the Grand Master of the Jedi Order in the waning days of the Galactic Republic. He was renowned within the Order for his wisdom, powers of the Force, and lightsaber combat, and he lived for nearly 900 years.