To do this, they may recommend having a medical procedure, such as a bone marrow aspiration or a bone marrow biopsy, to collect a sample of bone marrow. The results of a bone marrow aspiration and/or biopsy help doctors diagnose the following conditions: 1  An infection with an unknown cause. 2  Blood disorders.3  Chromosomal or genetic diseases. 4  Cancer of the blood cells, such as leukemia.he procedures can also be used to monitor the side effects of chemotherapy and determine whether the treatment is working. About the procedure. A bone marrow aspiration is a procedure that removes a sample of the liquid portion of bone marrow.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  two-dimensionality, flatness, planeness(noun) the property of having two dimensions. 2  flatness(noun) a want of animation or brilliance. 3  flatness(noun) a deficiency in flavor.
The noun brevity means shortness or conciseness. If you give a report on agriculture in the northern hemisphere in 3 minutes, you have done it with incredible brevity. Brevity comes from brevis, which means brief in Latin. You can use brevity for things that are literally short, like the brevity of an elevator meeting, or the quality of fleetingness, like the brevity of youth. Brevity is also a style of speaking or writing with economy.