Nucleus
NUCLEUS (Lat. for the kernal of a nut, nux, the stone of fruit), the central portion of things, round which other parts of the same thing or other things collect together. The term is particularly applied to the central mass of protoplasm in a plant or animal cell (see CYTOLOGY).
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
