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在一个被囚禁的苏门答腊猩猩 (Pongo abelii) 中诊断更年期

Neil MacLachlan¹, Andrew Routh², Gordon Hunt²

¹Jersey General Hospital, Saint Helier, Jersey.

|October 22, 2024

概括

绝经,即永久停止生殖,现在已经在苏门答腊猩猩中得到证实. 这种老年猩猩的发现表明,自然的更年期可能有助于雌性将最后的后代抚养到独立.

科学领域:

灵长类的生殖生物学
比较哺乳动物内分泌学.
灵长类动物的老年学.

背景情况:

以前人们认为更年期只发生在人类和其他一些长寿哺乳动物中.
猩猩以长时间的分娩间隔而闻名,在生殖后的寿命方面还没有得到充分的研究.

研究的目的:

为了调查苏门答腊猩猩 (Pongo abelii) 自然更年期的证据.
记录一个年长的雌性猩猩的生殖停止及其生理标记.

主要方法:

临床检查,阴道超声波,血清激素分析 (雌激素,卵泡刺激激素) 和死后卵巢组织学.
卵巢组织学与死产雌性猩猩婴儿组织学的比较.

主要成果:

一只大约50岁的苏门答腊猩猩表现出更年期的临床迹象,包括缩的子宫和不活跃的卵巢.
激素分析显示,雌激素水平较低,卵泡刺激激素水平较高.
卵巢组织学显示了密集的肌体和白白体,与年轻猩猩的原始卵泡形成鲜明对比.

结论:

多种证据支持苏门答腊猩猩自然更年期的发生.
这一发现扩大了已知的经历更年期的哺乳动物清单.
猩猩的更年期可能有助于成功养育后代,使他们独立.

关键词:

缩性缩 (英语:Atrophy atrophy) 是一种损伤.这是子宫内膜的内分泌物.雌二醇是雌二醇的一种药物.卵泡刺激激素激素激发的卵泡刺激激素.生殖老龄化生殖老龄化通过阴道的超声波.

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