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.
Description of DiGeorge sequence. DiGeorge sequence (medical condition): 22q11.2 deletion syndrome is a genetic disorder which can result in a vast...more Â». See also: DiGeorge syndrome: Â»Introduction: DiGeorge syndrome. Â»Symptoms of DiGeorge syndrome. Â»Treatments for DiGeorge syndrome.