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Fourteen menisci from seven anatomic specimens were examined to identify their innervation. After staining by a modified gold chloride method, the menisci were sectioned on a sliding microtome and were studied under a light microscope. Free nerve endings in the peripheral and the medial thirds of the meniscal body were identified, and three types of encapsulated mechanoreceptors were found in the anterior and posterior horns. Based on these findings and a review of the relevant literature, it is considered that menisci both receive and transmit proprioceptive information. Therefore, they not only are stabilizers of this joint, but also contribute to the function of deep sensitivity.

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