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      Vasoactive Material Present in the Glomerula Caudalia of the Vervet Monkey


      Journal of Vascular Research

      S. Karger AG

      Glomus organs, Catecholamine content, Vervet monkey, Neurovascular, Humoral function

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          Complex encapsulated neurovascular structures, glomus organs, occur in superficial and deep positions in many species. No direct evidence for their function exists. In skin they may serve thermoregulation but the reason for their structural complexity remains obscure. The concept of a local humoral circulatory control mechanism postulated on the basis of a very high acetylcholine content reported for human glomera coccygia has been investigated in homologous caudal glomus organs in monkey. No acetylcholine was detected. The organs contained 3-4 times the concentration of catecholamine (mainly noradrenaline) found in nearby vessels. Neither structure nor content of vasoactive component gives any support for an endocrine function.

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          Author and article information

          J Vasc Res
          Journal of Vascular Research
          S. Karger AG
          19 September 2008
          : 16
          : 5
          : 247-251
          Department of General Physiology, University of the Witwatersrand, Johannesburg
          158212 Blood Vessels 1979;16:247–251
          © 1979 S. Karger AG, Basel

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          Pages: 5
          Original Paper


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