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Studies on the phrenic nerve and diaphragmatic plexus in rabbits and gerbils

机译:兔和沙鼠的nerve神经和diaphragm神经丛的研究

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摘要

Studies on nerve fibres within the phrenic nerve and in the diaphragmatic plexus were carried out in one species, the gerbil, a small desert rodent. The resistance of this small mammal to surgical insult enabled experimental intrathoracic transection of the phrenic nerve to be carried out so that the results in 10 animals could be observed within the diaphragmatic plexus, the phrenic nerve, and the phrenic nucleus. The findings in the diaphragmatic plexus and in the nerve trunk strongly resemble corresponding results for other animals with regard to `persisting' fibres. The phrenic nucleus, however, is much more extensive in this mammal than has been found in any other species; it is represented within the second to sixth cervical segment, its rostral extremity occupying the intermediolateral part of the spinal grey matter. The possible functional significance of these findings is discussed in the light of the mixed functions of the diaphragm, either voluntary or involuntary.
机译:in神经和and神经丛中的神经纤维是在一种沙鼠(沙鼠)中进行的。这种小哺乳动物对手术损伤的抵抗力使得能够进行实验性the神经胸腔内横切,从而可以在the神经丛,the神经和the核内观察到10只动物的结果。在the神经丛和神经干中的发现与“持久性”纤维的其他动物的结果非常相似。然而,这种mammal的核比其他任何种类的核都要广泛。它代表在第二至第六个颈段内,其喙端占据了脊髓灰质的中外侧部分。这些发现的可能的功能意义是根据隔膜的自愿或非自愿的混合功能进行讨论的。

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