Judged: two independent readers; copy check clear.
nucleus
nucleus In historical psychology and neurology usage, a nucleus is the structural and functional center of a cell, understood as the part that in some way governs the cell’s vital activity.
In historical psychology and neurology usage, a nucleus is the structural and functional center of a cell, understood as the part that in some way governs the cell’s vital activity. The term was also used for clusters of cells in the central nervous system, especially when discussed in relation to incoming or outgoing nerve connections.