Cecidium: a gall.
Cell: any space between or bounded by veins: in the Comstock system the cells derive their names from the vein forming the Tupper margin: e.g. all just below the radius are radial cells; and they are numbered from the base outward, as radial 1, 2, etc.: the living unit; protoplasm differentiated into cytoplasm and nucleus, from which units all but the lowest plants and animals are developed by division and consequent increase into a multicellular condition: a compartment or division of a nest or honey-comb.
Cellule: a portion of a wing included between veins; usually applied to a small area completely inclosed, rarely to interspaces where no closed area is formed.
Cenchrus -rib: minute, often white marks, or membranous spaces on the metanotum of some Hymenoptera.
Cenogonous: producing young at one time oviparously, at another viviparously as in plant-lice.
Centimeter: abb. Cm.: = .01 meter = .394 inch; 2.54 Cm. = one inch.
Centrad: toward the centre or interior.
Central foveola: see median foveola.
Centrolecithal: applied to eggs in which the food yolk is central.
Centrosome: a spherical body that appears outside the nucleus of a cell.