カナヘビの輸卵管に於けるCa鹽の分泌

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概要

• 論文の詳細を見る

• Processes involved in the secretion of Ca-salt in the oviduct of the lizard, Takydromus tachydromoides, have been studied. For detecting Ca-salt, alizarin stain, Rabl's crystallization method and Kossa's silver impregnation technique have been used. Ca-salt just secreted by the submucous glands in the uterine part of the oviduct is still in the form of solution. The secretory activity of the oviduct increases in parallel with the development and gradual accumulation of yolk of ovarian eggs and appears to attain its height shortly before ovulation and remains in that condition until egg-laying. Thereafter the activity gradually subsides. But if the development of the second batch of eggs takes place in the ovaries, secretion of Ca-salt again increases. If the lizard is ovariotomized when the secretory activity of the oviduct is at its height the activity declines within 10 days and in 14 days after the operation it ceases completely. In the fall, when the lizard is sexually inactive, the intraperitoneal injections to the female of 20 to 200 i.b.u. of Progynon B (oestradiol benzoate) weekly for several weeks can not induce the secretion of Ca-salt in the oviduct. But if 0.1cc of a 1 per cent solution of calcium glycerophosphate is injected to the female three times a week concomitantly with 20 i.b.u. of Progynon B weekly the oviduct begins to secrete Ca-salt within three weeks. Administration of Ca-glycerophosphate alone is quite ineffective in inducing the secretory activity.

• 社団法人日本動物学会の論文
• 1942-05-15

著者

• 八田 亨二

  新潟高等學校生物學教室

関連論文

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• カナヘビの輸卵管に於けるCa鹽の分泌第2報
• カナヘビの輸卵管に於けるCa鹽の分泌
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