previously , we have demonstrated that metabolic activity , shown by autoradiographic determination of 2-deoxy- [ 1-14c ] glucose ( 2-dg ) uptake , within the rat hypothalamic suprachiasmatic nuclei ( scn ) was inhibited by subcutaneous injection of 1 mg/kg melatonin .
C0020663
hypothalamic
C0038866
suprachiasmatic nuclei