• 作者： 張丙龍
• 作者服務機構： 國立臺灣大學醫學院解剖學科
• 中文摘要： 注射六-羥多巴胺後倉鼠之睪丸及附屬器官的重量增加，但減少了松果腺內瞻素酯?（乙醯膽鹼?）之量。相反地注
  射酪胺後倉鼠之睪丸及附屬器官之重量減低，但卻增加了松果腺內膽素酯?（乙醯膽鹼?）之量。注射六羥多巴胺後以
  電子顯微鏡觀察時在松果腺內之無髓鞘神經及附在其軸突膜上的乙醯膽鹼?完全消失。但在松果腺細胞內高氏體及平滑內
  質網內還存在一些乙醯膽鹼?，顯示此松果腺細胞能產生乙醯膽鹼?以維持其所需要最低限度之量。由本研究結果也許可
  認為松果腺之作用受到腺內乙醯膽鹼?之影響。
  隱
• 英文摘要： The pineal glands of male hamsters treated with 6-hydroxydopamine (6-OHDA) or tyramine andthose of untreated animals are studied by biochemical and ultrahistochemical enzyme techniques. In the 6-OHDA-treated hamsters the weight of testes and accessory organs is moderately increased, whereas it ismarkedly decreased in animals injected with tyramine. In contrast, the cholinesterase (ChE) is reduced inthe pineals of 6-0HDA-treated animals, whereas the enzyme is increased in the pineals from animals stimu-lated by tyramine. Ultra structurally, the unmyelinated adrenergic nerve endings and attached acetylcholinesterase(AChE) on their axon membranes completely disappear in the pineals of animals following injection of6-OHDA. However, the AChE activity localized in the Golgi Complex and smooth-surfaced endoplasmicreticulum of the pinealocytes is not influenced by chemical sympathectomy with 6-OHDA, suggesting thatthese pinealocytes are able to produce AChE. The present finding suggests that the pineal activity is affectedby ACNE.
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