Credit Joshua Lott for The New York Times. 1  Three years ago, a labor leader named Marty Beil was one of the loudest opponents of Gov. Scott Walkerâs âbudget repair bill,â a proposal that brought tens of thousands of protesters out to the Wisconsin State Capitol in Madison in frigid February weather.
epitrochlear. (anatomy). Of or pertaining to a lymph node that lies above the trochlea of the elbow joint. 1  Facebook. 2  Twitter.
The sinoatrial node, also known as sinus node, is a group of cells located in the wall of the right atrium of the heart. These cells have the ability to spontaneously produce an electrical impulse, that travels through the heart via the electrical conduction system causing it to contract. In a healthy heart, the SA node continuously produces action potential, setting the rhythm of the heart and so is known as the heart's natural pacemaker. The rate of action potential production is influenced by