Environmental Control of the Seasonal Variations in the Daily Pattern of Melatonin Synthesis in the European Hamster,Cricetus cricetus

• Published in: General and comparative endocrinology Vol. 106; no. 1; pp. 85 - 94
• Main Authors: Vivien-Roels, B., Pitrosky, B., Zitouni, M., Malan, A., Canguilhem, B., Bonn, D., Pévet, P.
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 01.04.1997
• Subjects: Animals; Circadian Rhythm - physiology; Cricetinae - metabolism; Environment; Female; Melatonin - biosynthesis; Photoperiod; Rats - physiology; Seasons; Species Specificity

Nocturnal patterns of pineal melatonin concentrations were measured at hourly intervals in the European hamster,Cricetus cricetus,maintained under different natural or experimental environmental conditions. There were pronounced variations in the night peak of pineal melatonin both in the duration a...