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.
1 Peduncle (botany) , a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed.2  Cerebral peduncle, a band of neurons, resembling a stalk, which connect varied parts of the brain. 3  Peduncle (anatomy) , a stem, through which a mass of tissue is attached to a body. Peduncle (botany) , a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed. 2  Cerebral peduncle, a band of neurons, resembling a stalk, which connect varied parts of the brain.