In order to test the hypothesis that negative feedback signals from abdominal receptors are integrated in an additive manner in the control of voluntary food intake, cows with rumen fistulas were given intraruminal infusions of sodium acetate or sodium propionate, or both, with or without distension of the rumen by balloon. Intakes were monitored during the 3 h experimental period and for 2 h a...

We studied the development of ball-and-socket deformity of the ankle by arthrography and radiography in 14 ankles of ten patients with congenital longitudinal deficiency of the fibula accompanied by various anomalies. The mean follow-up was for 18 years 10 months. In three ankles in infants less than one year old the lateral and medial sides of the ankle were already slightly round. In another ...

In brief: Magnetic resonance imaging (MRI). has become a standard diagnostic technique in many medical facilities for evaluating the menisci of the knee. MRI provides superior soft-tissue contrast with high resolution and takes little time (typically less than 30 minutes). It does not require intra-articular contrast media and is not limited to surface abnormalities, as are arthrography and art...