ECG: Measuring a BeatAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat The electrical conductivity that is an inherent part of the…
(Encyclopedia) dementiadementiadĭmĕnˈshə [key] [Lat.,=being out of the mind], progressive deterioration of intellectual faculties resulting in apathy, confusion, and stupor. In the 17th cent. the…
(Encyclopedia) stroke, destruction of brain tissue as a result of intracerebral hemorrhage or infarction caused by thrombosis (clotting) or embolus (obstruction in a blood vessel caused by clotted…
(Encyclopedia) Eden, in the Bible. 1 Son of Joah. 2 Priest. Perhaps this is the same as 1. 3 See Eden, Garden of. 4 Unidentified trading center, possibly in Mesopotamia. 5 Place somewhere near…
(Encyclopedia) Edward the Black Prince, 1330–76, eldest son of Edward III of England. He was created duke of Cornwall in 1337, the first duke to be created in England, and prince of Wales in 1343.…
(Encyclopedia) Dells of the Wisconsin,&sp;The Dells, or The Wisconsin Dells, scenic part of the Wisconsin River, central Wis., NW of Portage. The river has cut a deep gorge through 8 mi (12.9 km…