articular cartilage n.
The cartilage covering the articular surfaces of the bones forming a synovial joint. Also called arthrodial cartilage, diarthrodial cartilage, investing cartilage.
The condition extends right up to the articular cartilage, or, in the case of adolescent bones, up to the epiphysial cartilage.
The articular cartilage of the lateral condyle and the lateral meniscus are usually thickened.
On the medial side it is an inch or more from the articular cartilage; on the lateral side and above, about half an inch.
The terminal or articular surfaces of the bone remain throughout life covered by layers of articular cartilage.
It presents on section a layer of articular cartilage on the convex aspect and a variable thickness of spongy bone beneath this.