The oldest, and most commonly used, is the USDA Zone Hardiness map which calculates 11 zones and tells what level of winter cold a plant could experience in a location. Seattle falls into zone 8b with expected winter minimums of 15 to 20.
Motor cortex. (Redirected from Secondary motor cortex) The motor cortex is the region of the cerebral cortex involved in the planning, control, and execution of voluntary movements. Classically the motor cortex is an area of the frontal lobe located in the posterior precentral gyrus immediately anterior to the central sulcus.
Motor cortex areas (lateral, dorsal, and medial views). The primary motor cortex is located immediately anterior to the central sulcus. Select from the boxes in the center to see larger views. The motor cortex comprises three different areas of the frontal lobe, immediately anterior to the central sulcus.