Klein, D C Lesions of the paraventricular nucleus area of the hypothalamus disrupt the suprachiasmatic leads to spinal cord circuit in the melatonin rhythm generating system. [electronic resource] - Brain research bulletin May 1983 - 647-52 p. digital Publication Type: Journal Article ISSN: 0361-9230 Standard No.: 10.1016/0361-9230(83)90033-3 doi Subjects--Topical Terms: Acetylserotonin O-Methyltransferase--metabolismAnimalsArylamine N-Acetyltransferase--metabolismCircadian RhythmGanglia, Sympathetic--physiologyMaleMelatonin--analogs & derivativesNeural Pathways--physiologyParaventricular Hypothalamic Nucleus--physiologyPineal Gland--physiologyRatsRats, Inbred StrainsSpinal Cord--physiologySuprachiasmatic Nucleus--physiologySynaptic Transmission