[kawr-ti-kuh l] /ˈkɔr tɪ kəl/

Anatomy. of, pertaining to, resembling, or consisting of .
Physiology. resulting from the function or condition of the .
Botany. of or relating to the .

1670s, from Modern Latin corticalis, from cortex “bark of a tree” (see cortex).

cortical cor·ti·cal (kôr’tĭ-kəl)


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    cortical artery n. Any of several branches of the anterior, middle, and posterior cerebral arteries that supply the cerebral cortex.

  • Cortical audiometry

    cortical audiometry n. Measurement of the electric potentials that arise in the auditory system above the level of the brainstem.

  • Cortical blindness

    cortical blindness n. Loss of sight due to an organic lesion in the visual cortex.

  • Cortical bone

    cortical bone n. See cortical substance.

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