Submitted by admin on Sun, 05/04/2014 - 10:04
definition:
The outer layer of the cerebrum (the cerebral cortex), composed of folded grey matter and playing an important role in consciousness.
sentence:
Careful prospective and controlled studies of autonomic function will clarify the roles of the cortex and the brainstem in the generation and expression of seizures.
difficulty:
hard
toefl frequency:
2
toefl classification: