股后皮神经的起源、走行、分布及其分支间的空间关系

IF 1.2 4区 医学 Q3 ANATOMY & MORPHOLOGY
Areeya Jiamjunyasiri, Masahiro Tsutsumi, Satoru Muro, Keiichi Akita
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引用次数: 1

摘要

本研究旨在阐明股后皮神经分支的起源、过程和分布,考虑到骶丛的节段和背腔组成,包括阴部神经。对5具尸体的臀部和大腿进行了双侧解剖。这些分支来自骶丛,骶丛从背到腹分为臀上神经、臀下神经、腓总神经、胫骨神经和阴部神经。它在坐骨结节的外侧下降,包括大腿、臀大肌和会阴分支。至于大腿和臀支,源自骶丛的支的背中央顺序与其分布的后内侧顺序相对应。然而,中央背边界在大腿和臀大肌分支之间的臀大肌下缘移位。会阴支起源于神经根的腹侧支。此外,向内侧延伸至坐骨结节的阴部神经分支分布在臀下部的内侧。应将这些分支与臀支区分开来;前者应归类为内侧下臀神经,后者应归类为外侧神经。最后,臀下区的内侧部分由骶背支的分支分布,这些分支可能对应于内侧臀神经。因此,在考虑骶丛的背中央关系以及背侧支和腹侧支的边界时,股后皮神经的组成被认为是必要的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Origin, course, and distribution of the posterior femoral cutaneous nerve and the spatial relationship among its branches

Origin, course, and distribution of the posterior femoral cutaneous nerve and the spatial relationship among its branches

Origin, course, and distribution of the posterior femoral cutaneous nerve and the spatial relationship among its branches

Origin, course, and distribution of the posterior femoral cutaneous nerve and the spatial relationship among its branches

This study aimed to elucidate the origin, course, and distribution of the branches of the posterior femoral cutaneous nerve, considering the segmental and dorsoventral compositions of the sacral plexus, including the pudendal nerve. The buttocks and thighs of five cadavers were analyzed bilaterally. The branches emerged from the sacral plexus, which was divided dorsally to ventrally into the superior gluteal, inferior gluteal, common peroneal, tibial, and pudendal nerves. It descended lateral to the ischial tuberosity and comprised the thigh, gluteal, and perineal branches. As for the thigh and gluteal branches, the dorsoventral order of those originating from the sacral plexus corresponded to the lateromedial order of their distribution. However, the dorsoventral boundary was displaced at the inferior margin of the gluteus maximus between the thigh and gluteal branches. The perineal branch originated from the ventral branch of the nerve roots. In addition, the pudendal nerve branches, which ran medially to the ischial tuberosity, were distributed in the medial part of the inferior gluteal region. These branches should be distinguished from the gluteal branches; the former should be classified as the medial inferior cluneal nerves and the latter as the lateral ones. Finally, the medial part of the inferior gluteal region was distributed by branches of the dorsal sacral rami, which may correspond to the medial cluneal nerves. Thus, the composition of the posterior femoral cutaneous nerve is considered necessary when considering the dorsoventral relationships of the sacral plexus and boundaries of the dorsal and ventral rami.

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来源期刊
Anatomical Science International
Anatomical Science International 医学-解剖学与形态学
CiteScore
2.80
自引率
8.30%
发文量
50
审稿时长
>12 weeks
期刊介绍: The official English journal of the Japanese Association of Anatomists, Anatomical Science International (formerly titled Kaibogaku Zasshi) publishes original research articles dealing with morphological sciences. Coverage in the journal includes molecular, cellular, histological and gross anatomical studies on humans and on normal and experimental animals, as well as functional morphological, biochemical, physiological and behavioral studies if they include morphological analysis.
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