brain and blood 14c-5-hydroxyindole metabolism was studied in normal , raphe-lesioned and 6-hydroxydopamine ( 60hda ) -treated rats given l- ( - ) -alpha-hydrazino-3 , 4-dihydroxy-alpha-methylhydrocinnamic acid ( mk-486 ) ( 50 mg/kg ) intraperitoneally and 5-hydroxytryptophan ( 5-htp ) -14c ( 5 muci , 0.51 mci/mmol ) intravenously .
C0006104
brain
C0034671
raphe