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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Adding mandarin oranges to your diet can aid in keeping your eyes healthy. Mandarins provide vitamin A, a nutrient that protects your retinas and improves night vision. Women need 700 micrograms of daily vitamin A, while men require 900 micrograms, explains the Linus Pauling Institute.