Setting is the when and where of a literary text. For example, the novel Gone With the Wind takes place in and around Atlanta, Georgia, and the plot-or action-occurs before, during and after the Civil War. Although it's a simple concept, setting is a vital literary element.
ovum. pl. ova [L.] egg; the female reproductive or germ cell which, after fertilization, is capable of developing into a new member of the same species; sometimes applied to any stage of the fertilized germ cell during cleavage and even until hatching or birth of the new animal. centrolecithal ovum.
vena cava (pl. venae cavae) one of the two major veins of the BLOOD CIRCULATORY SYSTEM that carry blood from other veins to the right atrium of the HEART. The inferior vena cava receives blood from parts of the body below the diaphragm; the superior vena cava drains blood from all parts of the body above the diaphragm. Vena cava