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Multiple Choice
Which of the following is NOT a part of all synovial joints?
A
Articular cartilage
B
Meniscus
C
Joint (articular) capsule
D
Synovial membrane
Verified step by step guidance
1
Step 1: Begin by understanding the structure of synovial joints. Synovial joints are a type of joint in the body that allow for free movement and are characterized by specific components.
Step 2: Identify the essential components of all synovial joints. These include articular cartilage, a joint (articular) capsule, a synovial membrane, and synovial fluid.
Step 3: Clarify the role of each component: Articular cartilage covers the ends of bones to reduce friction and absorb shock; the joint capsule encloses the joint cavity; the synovial membrane lines the capsule and produces synovial fluid, which lubricates the joint.
Step 4: Examine the term 'meniscus.' A meniscus is a fibrocartilaginous structure found in certain joints, such as the knee, but it is not present in all synovial joints. It is specific to some joints for added stability and shock absorption.
Step 5: Conclude that the meniscus is not a universal feature of all synovial joints, making it the correct answer to the question.