A surgical clamp designed to hold or grasp tissue during dissection, commonly used to grasp the cervix. [L. a holder, fr. teneo, to hold]. /teÂ·nacÂ·uÂ·lum/ (tÄ-nakÂ´u-lum) a hooklike surgical instrument for grasping and holding parts.
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; However there are certain things one can try at home to naturally lower the potassium levels. 1  Increase calcium intake in your diet. 2  Various studies have shown that calcium interferes with the natural absorption of potassium.3  Increase the intake of calcium rich foods like Milk, dairy products, yogurt, and cheese. However there are certain things one can try at home to naturally lower the potassium levels. 1  Increase calcium intake in your diet. 2  Various studies have shown that calcium interferes with the natural absorption of potassium.