Axillary sheath
Encyclopedia
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.
Axillary artery
In human anatomy, the axillary artery is a large blood vessel that conveys oxygenated blood to the lateral aspect of the thorax, the axilla and the upper limb...
is enclosed, together with the axillary vein
Axillary vein
In human anatomy, the axillary vein is a large blood vessel that conveys blood from the lateral aspect of the thorax, axilla and upper limb toward the heart...
and the brachial plexus
Brachial plexus
The brachial plexus is a network of nerve fibers, running from the spine, formed by the ventral rami of the lower four cervical and first thoracic nerve roots...
, in a fibrous sheath—the axillary sheath—continuous above with the deep cervical fascia
Deep cervical fascia
The deep cervical fascia lies under cover of the Platysma, and invests the neck; it also forms sheaths for the carotid vessels, and for the structures situated in front of the vertebral column...
.
A brachial plexus nerve block can be achieved by injecting anaesthetic into this area.