A semi-lunar cartilage is the old-fashioned name for a meniscus. 'Semi-lunar' means 'half-moon' and refers to the shape of the meniscus.

knee joint showing the meniscus
There are two menisci in each knee - a medial meniscus and a lateral meniscus.

 

Nomenclature issue

In the sporting world, players and coaches often refer to a tear of their 'cartilage' when they should be saying 'meniscus'. This creates confusion when the white covering of the bones is also known as 'cartilage', and tears of the one are very different from tears of the other.

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FORUM DISCUSSIONS

Looking at options for cartilage replacement

Nightmare after meniscal repair


See also -


eBook - Clearing up confusion about knee cartilage

eBook explaining the difference between articular cartilage and meniscus cartilage.