2nd 3rd optional. FDA has announced an official date of 2010-06 when they will accept submissions to 3 rd edition. The 3 rd Edition will be Mandatory 2013-06-01. Health Canada has announced a mandatory date of 2012-06-01. The EU date of 2012-06-01 has been published in the Official Journal.
I don't know what you mean by root word. Lipo - is the root for fat and used often at the molecular level. Adipose - is the word for fat tissue. fat: <biochemistry> A triglyceride (lipid) that is usually solid at room temperature. http://www.americanheart.org/presenter.j...
Brown fat also has many unmyelinated nerves, providing sympathetic stimulation to the fat cells. Definition of lipid-put simply, lipid is another word for fat. Specifically, lipids are substances that dissolve in alcohol but not in water, such as fat, oil or wax. They contain oxygen, hydrogen, and carbon.