The lateral meniscus is the meniscus on the lateral (outer) side.

 

fingers explaining shape of lateral meniscus knee joint showing the meniscus knee meniscus showing the menisco-capsular junction
The lateral (outer) meniscus is more 'O-shaped' than the medial meniscus, which is more 'C-shaped'. The two menisci (plural) act as shock absorbers between the two long bones of femur and tibia. Detail to show the intimate relationship of the meniscus to the capsule.
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Injury of the small muscle at the back of the knee may be confused with a torn meniscus.

Clearing up confusion about knee cartilage

Video discussing why people mix up the two kinds of tissue referred to as 'cartilage'.

An important discussion of two patients whose symptoms changed and worsened after a partial lateral meniscectomy.

Meniscus from top

Another view of the 'knee cartilages'.

Meniscus from side

Overview of the anatomy of the 'knee cartilages'.

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