Illusions may be produced by stimulation of the temporal cortex.幻觉可以通过刺激颞皮层产生。Among the human organs, the brain and the kidney are known to have large amounts of cortices.在人体的器官中，脑和肾都有大量的皮层。The collagen that is included in face creams comes from animal skin.面霜中的胶原蛋白取自动物皮层。