Axillary sheath - Misplaced Pages

Fibrous sheath

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[edit on Wikidata]

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. It is surrounded by the axillary fat. It is an extension of the prevertebral fascia of the deep cervical fascia and is continuous with the carotid sheath at the venous angle.

A brachial plexus nerve block can be achieved by injecting anaesthetic into this area.

References

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

^ Grant's Atlas of Anatomy - 13th edition. p. 511.
^ Last's Anatomuy, 9th Edt
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
Fessler, Richard G.; Kim, Daniel H. (2012-01-01), Quiñones-Hinojosa, Alfredo (ed.), "Chapter 191 - Surgical Approaches to the Cervicothoracic Junction", Schmidek and Sweet Operative Neurosurgical Techniques (Sixth Edition), Philadelphia: W.B. Saunders, pp. 2177–2191, ISBN 978-1-4160-6839-6, retrieved 2021-01-12
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.
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

deltoid rotator cuff supraspinatus infraspinatus teres minor subscapularis teres major
fascia:	deltoid fascia supraspinous fascia infraspinous fascia

anterior	coracobrachialis biceps brachialis
posterior	triceps brachii anconeus articularis cubiti
fascia	axillary sheath axillary fascia brachial fascia intermuscular septa lateral medial
other	spaces quadrangular space triangular space triangular interval

superficial:	pronator teres palmaris longus flexor carpi radialis flexor carpi ulnaris flexor digitorum superficialis
deep:	pronator quadratus flexor digitorum profundus flexor pollicis longus

superficial:	mobile wad brachioradialis extensor carpi radialis longus and brevis extensor digitorum extensor digiti minimi extensor carpi ulnaris
deep:	supinator anatomical snuffbox abductor pollicis longus extensor pollicis brevis extensor pollicis longus extensor indicis

other

lateral volar

medial volar

intermediate

posterior:	extensor retinaculum extensor expansion
anterior:	flexor retinaculum palmar aponeurosis

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