A C-shaped piece of cartilage that acts like a pad between the femur (thigh bone) and tibia (shin bone).

Source: MedLinePlus Magazine (NIH)1

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Separating the bones of the knee are pads of connective tissue called menisci (men-NISS-sky). The menisci are two crescent-shaped discs, each called a meniscus (men-NISS-kus), positioned between the tibia and femur on the outer and inner sides of each knee. The two menisci in each knee act as shock absorbers, cushioning the lower part of the leg from the weight of the rest of the body as well as enhancing stability.

Source: NIAMS (NIH)2

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Meniscus: Crescent-shaped cartilaginous tissue interposed between two articulating bones.3

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Meniscus: A crescent-shaped wedge of cartilaginous material that serves as a cushion in the knee, between the tuberosities of the femur and the tibia. There are two locations, the medial meniscus located on the inner aspect of the knee and the lateral which is located on the outer aspect.4


Types may include:5

Types of Meniscus:

  • Meniscus Lateralis
  • Meniscus Medialis

Categories for Meniscus

Category of Meniscus:


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  1. Source: MedLinePlus Magazine (NIH): magazine/ issues/ summer08/ articles/ summer08pg24-26.html
  2. Source: NIAMS (NIH): Health_Info/ Knee_Problems/ default.asp
  3. Source: MeSH (U.S. National Library of Medicine)
  4. Source: NCI Thesaurus
  5. ibid.
  6. ibid.
  7. Source: CDC: DHDSP/ data_statistics/ fact_sheets/ fs_PAD.htm

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