Definition is a rhetorical mode that can be used in something smaller or shorter than a full paper. You can use extended definition for several paragraphs only in a paper of much greater length. You also can add to a paper a one-paragraph definition--like a brief encyclopedia definition.
The research group, headed by Dr. Lukas Sommer at the Swiss Federal Institute of Technology, has identified a heretofore unknown role for the TGF cell-to-cell signaling pathway in the pathogenesis of DiGeorge syndrome.
However, the temporal arteries of the head are most frequently affected (temporal arteritis). In rare cases, veins may also be affected by giant cell arteritis. The symptoms of giant cell arteritis may include stiffness, muscle pain, fever, and/or headaches.iant cell arteritis is a chronic inflammatory disease characterized by the progressive inflammation of many arteries of the body (panarteritis). Granular material and abnormally large cells (giant cells) accumulate in the elastic lining of the arteries.