Polarization by Use of a Polaroid Filter. The most common method of polarization involves the use of a Polaroid filter. Polaroid filters are made of a special material that is capable of blocking one of the two planes of vibration of an electromagnetic wave.
The lateral ventricles are part of the ventricular system of the brain. Both cerebral hemispheres contain a lateral ventricle. The lateral ventricles are the largest of the ventricles.
Quick Answer. Ventricular systole describes the action in which the left lower chamber or ventricle of the heart contracts and pushes blood through the body during the cardiac cycle, according to WebMD. The systolic phase is countered by the diastolic phase, which occurs when the ventricle relaxes and fills with blood.