axillary sheath造句

It extends laterally as the axillary sheath.
The prevertebral fascia is prolonged downward and laterally behind the carotid vessels and in front of the scalene muscles, and forms a sheath for the brachial nerves and subclavian vessels in the posterior triangle of the neck; it is continued under the clavicle as the axillary sheath and is attached to the deep surface of the coracoclavicular fascia.
It's difficult to find axillary sheath in a sentence. 用axillary sheath造句挺难的