imagination - the formation of a mental image of something that is not perceived as real and is not present to the senses; popular imagination created a world of demons; imagination reveals what the world could be. imaginativeness, vision. creative thinking, creativeness, creativity - the ability to create.
Definition of the Cortex. Let's explore the cortex layer in more detail. The cortex is defined as root and stem tissue found between the epidermis and vascular tissue of a plant. When you eat potatoes or carrots you are actually eating the root of a plant's cortex.
(klÅr`ÉplÄst', klor`â) , klÃ´r a, complex discrete green, structure or, organelle contained in the cytoplasm of plant. Cells chloroplasts are reponsible for the green color of almost all plants and are lacking only in plants that do not make their own, food such as fungi and nongreen parasitic or saprophytic higher. plantshloroplast. an intracellular organelle (plastid) of the plant cell, in which photosynthesis occurs. Chloroplasts are green in color because of the presence of chlorophyll, the main pigment of photosynthesis.