cortex

• Nom désignant la couche externe d'un organe ou d'une partie du corps, en particulier la couche superficielle du cerveau (cortex cérébral) ou la couche externe de la tige ou de la racine d'une plante.

A noun referring to the outer layer of an organ or body part, especially the outer layer of the brain (cerebral cortex) or the outer layer of a plant stem or root.

pluriel irrégulier

1. Brain cortexC1formalmedical

   The outer layer of the brain, responsible for higher cognitive functions such as thought, memory, and language.

   Cortex cérébral

   • The cerebral cortex is crucial for complex decision-making.
   • Damage to the visual cortex can cause blindness.
   • Neuroscientists study the cortex to understand consciousness.

   Synonymescerebral cortexpallium

2. Plant cortexC2formalscientific

   The outer layer of a plant stem or root, located between the epidermis and the vascular tissue.

   Cortex (anatomie végétale)

   • The cortex of the root stores nutrients for the plant.
   • In botany, the cortex is composed of parenchyma cells.
   • The thickness of the cortex varies among different plant species.