The obliquus capitis inferior myodural bridge
The obliquus capitis inferior myodural bridge
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DOI：
10.1002/ca.22134
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发表时间：
2013-05-01
期刊：
影响因子：
2.4
通讯作者：
Enix, Dennis
中科院分区：
文献类型：
--
作者：
Pontell, Matthew E.;Scali, Frank;Enix, Dennis
本研究旨在从大体解剖学角度检查头下斜肌（OCI）。目的是分离并识别头下斜肌肌硬膜桥，同时检查其走行和相关组成部分。先前一项对颈椎后部的研究简要报道了头下斜肌与颈硬膜之间的联系。据我们所知，尚未有专门针对此肌肉及其与硬膜关系的研究。在本研究中，对9具防腐尸体的枕下区域进行了解剖。共分离出14块头下斜肌用于检查。所有发现均通过拍照记录。在分离出的14块头下斜肌中，所有肌肉的肌腹前外侧部分都发出纤维组织带。这些纤维通过寰枢椎间隙附着于颈硬膜的后外侧。头下斜肌肌硬膜桥似乎与头后大直肌肌硬膜桥融合，呈现出一个将这两块肌肉与硬膜相连的单一寰枢结构。总之，在所有14个肌肉标本中，头下斜肌都附着于硬膜。我们假设头下斜肌肌硬膜桥可能在监测硬膜张力和防止硬膜折叠方面发挥生理作用。它也可能与硬膜张力改变所表现出的某些临床症状有关。《临床解剖学》2013年。（c）2012威利期刊公司
This study was designed to examine the obliquus capitis inferior (OCI) muscle from a gross anatomical perspective. The objective was to isolate and identify the OCI myodural bridge, while examining its course and contributing elements. An earlier study of the posterior cervical spine briefly reported a connection between the OCI and the cervical dura mater. To the best of our knowledge, a study has not yet been conducted specifically on this muscle and its relation to the dura mater. In this study, the suboccipital regions of nine embalmed cadavers were dissected. A total of 14 OCI muscles were isolated for examination. All findings were documented via photograph. Of the 14 OCI muscles isolated, all emitted fibrous tissue bands from the anterolateral portion of the muscular belly. These fibers attached to the posterolateral cervical dura mater by route of the atlantoaxial interspace. The OCI myodural bridge appeared to coalesce with the rectus capitis posterior major myodural bridge, giving the appearance of a single atlantoaxial structure that links these two muscles to the dura mater. In conclusion, the OCI was attached to the dura mater in all of the 14 muscle specimens. We hypothesize that the OCI myodural bridge may play a physiological role in monitoring dural tension and preventing dural infolding. It may also contribute to certain clinical symptoms manifesting from alterations in dural tone. Clin. Anat. 2013. (c) 2012 Wiley Periodicals, Inc.