cortex       
noun [ C ]  anatomy specialized uk/ˈkɔː.teks/ us/ˈkɔːr.teks/  cortices uk/ˈkɔː.tɪ.siːz / us/ˈkɔːr.tɪ.siːz /
 (尤指大脑或其他器官的)皮层,皮质
the outer layer, especially of the brain and other organs
  the cerebral cortex 大脑皮层 
 See also: cerebral cortex