Axillary sheath

The axillary sheath is a fibrous sheath that encloses the axillary artery and the three cords of the brachial plexus to form the neurovascular bundle.[1][2][3] It is surrounded by the axillary fat.[1][2] It is an extension of the prevertebral fascia of the deep cervical fascia.

Axillary sheath
Axillary artery and its branches - anterior view of right upper limb and thorax (axillary sheath not labeled, but region is visible)
Anatomical terminology

A brachial plexus nerve block can be achieved by injecting anaesthetic into this area.[4][5]

References

This article incorporates text in the public domain from page 586 of the 20th edition of Gray's Anatomy (1918)

  1. Grant's Atlas of Anatomy - 13th edition. p. 511.
  2. Last's Anatomuy, 9th Edt
  3. Wilbourn, ASA J. (2005-01-01), Dyck, Peter J.; Thomas, P. K. (eds.), "Chapter 55 - Brachial Plexus Lesions", Peripheral Neuropathy (Fourth Edition), Philadelphia: W.B. Saunders, pp. 1339–1373, doi:10.1016/b978-0-7216-9491-7.50058-2, ISBN 978-0-7216-9491-7, retrieved 2020-10-19
  4. Ay; Akinci, M.; Sayin, M.; Bektas, U.; Tekdemir, I.; Elhan, A. (2007). "The axillary sheath and single-injection axillary block". Clinical Anatomy. 20 (1): 57–63. doi:10.1002/ca.20270. PMID 16372345. S2CID 38028448.
  5. Suresh, Santhanam; Polaner, David M.; Coté, Charles J. (2019-01-01), Coté, Charles J.; Lerman, Jerrold; Anderson, Brian J. (eds.), "42 - Regional Anesthesia", A Practice of Anesthesia for Infants and Children (Sixth Edition), Philadelphia: Content Repository Only!, pp. 941–987.e9, ISBN 978-0-323-42974-0, retrieved 2020-10-19


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