monk. n. A man who is a member of a brotherhood living in a monastery and devoted to a discipline prescribed by his order: a Carthusian monk; a Buddhist monk.
Complete Blood Count (CBC): EDTA tubes (purple top): Purple top tubes should be 50-60% full. Do not overfill tubes. Gently mix specimen by inverting 5-10 times and place it on a rocker for up to 30 minutes, then refrigerate at 2-8Â°C. When a differential is required as part of a CBC, slides must be prepared within 12 hours of blood collection. Refrigerated EDTA blood is stable for CBC for up to 24 hours.
Test tube. A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom. Test tubes are usually placed in special-purpose racks.