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.
Cortex cells are involved. in moving water from the epidermis to the. vascular tissue (xylem and phloem) and in. storing food. Vascular tissue, located in the. center of the root, conducts food and water. Externally, there are two areas of impor-. tance: the root cap and the root hairs (Figure.