[John Berton Carnett, 20th-cent. U.S. surgeon]
In evaluating a surgical abdomen, decreased abdominal tenderness to palpation after the supine patient elevates his or her head from the bed. The sign indicates that acute abdominal pain originates in the rectus muscle sheath rather than the peritoneum.
Taber’s Cyclopedic Medical Dictionary Online + App from F.A. Davis and Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Complete Product Information.