remaining animals were treated with pargyline ( 75 mg/kg bw , ip ) at these times and were killed 10 min later , and the following brain areas were microdissected and analyzed for serotonin ( 5ht ) and 5-hydroxyindole acetic acid : median eminence ( me ) , suprachiasmatic nucleus ( scn ) , medial preoptic nucleus ( mpn ) , arcuate nucleus ( an ) , and globus pallidus .
C0006104
brain
C0003741
arcuate nucleus