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首页> 外文期刊>Zoological Science >Pelvic Peritoneum in Male Armadillo and Anteater (Xenarthra, Mammalia): A Comparative Survey
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Pelvic Peritoneum in Male Armadillo and Anteater (Xenarthra, Mammalia): A Comparative Survey

机译：雄性犰狳和食蚁兽的盆腔腹膜（Xenarthra，哺乳动物）：比较调查

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摘要

The literature supports the hypothesis that the pelvic excavation is the bottom of the abdominal cavity, which is covered by the peritoneal serous membrane in order to promote visceral dynamics. We studied the peritoneum in eight specimens of Xenarthra (Euphractus sexcinctus, Myrmecophaga tridactyla and Tamandua tetradactyla). The animals were fixed in formaldehyde (10%). For description and analyzes of the pelvic peritoneum, dissection and photo documentation were performed. We saw that the parietal serous membrane reflected, involving the pelvic viscera. The urorectal septum is the floor of the higher pelvis as a serosa reflection between the bladder and the rectum. The bladder and gonads are completely peritonized in adult armadillo. In anteaters and young armadillos, the testicles are in a position analogous to the uterus, joined by the conjunctive septum at the midline and along with the bladder, they partially project to the higher and lower pelvis. In Myrmecophagidae, vesicogenital, rectogenital and sacrorectal recesses were observed. In Dasypodidae, the recesses are similar to those of other recent vertebrates.
机译：文献支持这样的假说：盆腔开挖是腹腔的底部，腹膜的腹膜覆盖了腹腔的底部，以促进内脏动力学。我们研究了Xenarthra（Euphractus sexcinctus，Myrmecophaga tridactyla和Tamanduatetradactyla）的八个标本中的腹膜。将动物固定在甲醛（10％）中。为了描述和分析盆腔腹膜，进行了解剖和照片记录。我们看到顶叶浆膜反射，累及盆腔内脏。尿直肠隔是膀胱和直肠之间浆膜反射的较高骨盆底。成年犰狳将膀胱和性腺完全腹膜化。在食蚁兽和年轻犰狳中，睾丸的位置与子宫类似，在中线与结膜隔相连，并与膀胱一起，它们部分地伸向上下骨盆。在Myececophagidae，观察到膀胱生殖器，直肠生殖器和sa直肠隐窝。在Dasypodidae，这些凹陷与其他最近的脊椎动物的凹陷相似。

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