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.
Quick Answer. The test tube rack is an apparatus used in a laboratory to hold and transport test tubes during experiments or while examining cultures. They can also accommodate other lab tools, such as stirring rods and pipettes. Test tube racks may also be referred to as test tube holders.