Axillary sheath

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Axillary sheath
Axillary artery and its branches - anterior view of right upper limb and thorax. (Axillary sheath not labeled, but region is visible.)
Gray's subject #149 586

The first portion of the axillary artery is enclosed, together with the axillary vein and the brachial plexus, in a fibrous sheath—the axillary sheath—continuous above with the deep cervical fascia. A brachial plexus nerve block can be achieved by injecting anaesthetic into this area.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.