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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Green vegetables like spinach, kale and broccoli are particularly rich in two antioxidants called lutein and zeaxanthin, which produce a substance which scientists think helps protect the eyes against age-related macular degeneration (AMD), the leading cause of irreversible blindness in Western societies.