ligamentum nu·chae -'n(y)ü-kē n, pl ligamenta nuchae a medium ligament of the back of the neck that is rudimentary in humans but highly developed and composed of yellow elastic tissue in many quadrupeds where it assists in supporting the head
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[TA] nuchal ligament: a broad, fibrous, roughly triangular sagittal septum in the back of the neck, separating the right and left sides. It extends from the tips of the spinous processes of all the cervical vertebrae to attach to the entire length of the external occipital crest. Caudally it is continuous with the supraspinous ligament.Medical dictionary. 2011.