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.
2. The region of tissue next to the outermost layer of plant stems and roots. The cortex lies between the epidermis (the outermost layer) and the vascular tissue. In roots the cortex transfers water and minerals from the epidermis to the vascular tissue, which distributes them to other parts of the plant.