Answer:
Bursitis is the medical term for inflammation of the bursa. Bursitis-a fluid filled sac between joints (bursa) inflammation of (itis)
A bursa is the jellylike pad between the joints. It is used as a cushion, to prevent sudden shock and prevent bone rubbing on bone. Inflammation means swelling. So, inflammation the bursa means swelling of the pads between the bones in a joint. For example, tennis elbow is a term used for inflammation of the bursa.
A "bursa" (the Latin word for "purse" or "bag") is a pouch containing slimy liquid that cushions areas with a high potential for friction in the body. These areas are most often found where skin rubs over hard surfaces like bony prominences.
Inflammation of the bursa is bursitis.