1 This drug may have the effect of speeding up your heart rate. 2  I worry about the effect that violent movies may have on children. 3  Certain chemicals have been banned because of their damaging effect on the environment.  It's important to protect your skin from the harmful effects of the sun.
The CSF from all theses sources , as well as any formed in the central canal of the spinal cord, escapes from the fourth ventricle into the subarachnoid space through the median aperture (of Magendie) and lateral aperture (of Luschka).
The countercurrent rejoins the Gulf Stream on its seaward side along the coast of Florida and the Carolinas. The main portion of the Gulf Stream continues north, veering more to the east and passing close to the Grand Banks, south of Newfoundland, where it breaks up into swirling currents.