Paul has been diagnosed with bursitis in his elbow. What is MOST likely involved in this injury?

Bursitis is inflammation of a bursa, a small sac near a joint that cushions movement. These sacs contain synovial fluid, which helps reduce friction around the joint, so synovial fluid is most directly involved. Glucose and hypovolemic shock are not features of bursitis, and necrosis means tissue death.

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