Which root would you associate with a sac or bursa?

The root "burs/o" is associated with a sac or bursa, which are fluid-filled sacs that provide cushioning between bones and tendons or muscles around joints. This term is commonly used in medical contexts when discussing conditions related to bursitis, or inflammation of the bursa.

The other roots listed do not pertain to the concept of a sac or bursa. "Calc/o" refers to calcium or calcium deposits, "blephar/o" pertains to the eyelid, and "bucc/o" relates to the cheek. Understanding these roots helps in breaking down and comprehending complex medical terms related to orthopedic or anatomical discussions.