A cross section of a bundle of nerve fibers. Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells. Myelin has high lipid content, and acts to insulate the axons, causing them to transmit nerve impulses much faster.
Phlebotomy Terminology List Below is a list of the most commonly used phlebotomy terminology and their definitions in alphabetical order. And, while it’s a great reference guide for students and medical professionals alike, it’s a lot more than just that!
ECG signs of hypercalcemia and hypocalcemia may not be obvious even in patients who have deranged plasma calcium concentrations that are clinically significant. If they are present, hypercalcemia is associated with short QT interval (A) and hypocalcemia with long QT interval (B). Interval shortening or lengthening is mainly in the ST segment.