Innervation of the bursa is derived from a branch of the axillary nerve (a) and a branch of the posterior cord of the brachial plexus (b). (c) is bifurcate from the axillary nerve and the posterior cord of the brachial plexus is found to enter the bursa.

Do bursa have nerve endings?

The bursae do have a nerve supply, for instance the Subacromial Bursae has Suprascapular and Axillary nerve endings. Nociceptors such as free nerve endings would give information about painful stimulation and inflammatory responses to the brain.

Does subacromial bursa have mechanoreceptors?

Two morphological types of mechanoreceptors and free nerve endings were found in the ligaments. … Scattered free nerve endings were found throughout the subacromial bursae.