Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
motivity
motley
motmot
motocross
motoneuron
motor
motor camp
motor caravan
motor cortex
motor court
motor drive
motor home
motor hotel
motor inn
motor lodge
motor neuron
motor neuron disease
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

motor cortex

mo·tor cor·tex (plural mo·tor cor·ti·ces)


noun 
Definition:
 
part of brain controlling voluntary muscles: the region of the outer surface of the brain cortex where nervous impulses controlling voluntary muscle activity are initiated. The motor cortex in the right hemisphere of the brain is responsible for controlling muscles in the left side of the body, and vice versa for the left hemisphere.

Advertisement

© 2009 Microsoft