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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There's more to eye nutrition than just carrots. Learn which foods boost your eye health and help protect against sight-threatening diseases. Fish. Cold-water fish such as salmon, tuna, sardines and mackerel are rich in omega-3 fatty acids, which may help protect against dry eyes, macular degeneration and even cataracts.