Vocabulary : Centrolecithal to Centumvir
Centrolecithal : Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal.Centrolinead : An instrument for drawing lines through a point, or lines converging to a center.
Centrolineal : Converging to a center; -- applied to lines drawn so as to meet in a point or center.
Centrosome : A peculiar rounded body lying near the nucleus of a cell. It is regarded as the dynamic element by means of which the machinery of cell division is organized.
Centrosphere : The nucleus or central part of the earth, forming most of its mass; -- disting. from lithosphere, hydrosphere, etc. ;; The central mass of an aster from which the rays extend and within which the centrosome lies when present; the attraction sphere. The name has been used both as excluding and including the centrosome, and also to designate a modified mass of protoplasm about a centrosome whether aster rays are developed or not.