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.
Roots. The root is the part of vascular plants that absorbs nutrients and water. Vascular plants are plants with specialized vascular tissue for transporting molecules and organic compounds throughout the organism. Non-vascular plants do not have roots.he root hairs absorb water and materials through the process of osmosis. Osmosis is accomplished when there is a greater concentration on one side of a selectively permeable membrane than on the other.