What does "Posterior tibialis tendon sheath" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
The posterior tibialis tendon sheath is a part of the foot and ankle. It's like a protective cover that surrounds a tendon, which is a tough band of tissue that connects muscle to bone. In this case, the tendon connects a muscle in the calf to bones on the inside of the foot. The sheath helps the tendon move smoothly when the foot and ankle bend.
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