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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But eating your way to better eyesight isnât only about munching more root veg. A raft of recent research has found several other key vitamins and minerals are just as essential. Francesca Marchetti, a leading optometrist from the eye care advisory panel WINK, says: âNutrients such as vitamins A, C and E, omega-3 fats and lutein are vital for better vision.