Bursitis is the inflammation or irritation of a bursae. The bursae allows smooth gliding between bone and muscle.

Tendinitis is an inflammation or irritation of a tendon. A tendon is a thick cord that attaches muscle to the bone and they act as pulleys to help muscles move a joint.

You can find more information about Bursitis, Tensinitis Syndromes by clicking the link below:
http://www.rheumatology.org/public/factsheets/tendonitis_new.asp?aud=pat