States of Matter: Facts. Matter is all around us. Matter is the air you are breathing. Matter is the computer you are reading from now. Matter is the stuff you touch and see. And it is more. Matter is defined as anything that has mass and takes up space.
The high specificity at 10 and 11 mmindicates that lymph nodes of this size are almostalways metastatic in this level.A study of level II lymph nodes shows that for thewhole population a minimum diameter of 8 mm givesa relatively high sensitivity and specificity of 81% and80%, respectively.
MR16 indicates a mini reflecter having a diameter of 16/8 or 2 inches. ED37 indicates a large HID bulb having a diameter of 37/8 or 4-5/8 inches. MEASURING FLUORESCENT LAMPS. To determine the length of a fluorescent lamp, you do not measure the bulb.The normal length of the bulb is the measurement from the back of the socket on the fixture. To determine the type of lamp you need, measure the endcap and use the illustration below as a guide.R16 indicates a mini reflecter having a diameter of 16/8 or 2 inches. ED37 indicates a large HID bulb having a diameter of 37/8 or 4-5/8 inches. MEASURING FLUORESCENT LAMPS. To determine the length of a fluorescent lamp, you do not measure the bulb.