5 Questions
Which type of primary cartilaginous joint allows for bone growth in length?
Secondary cartilaginous joint
What type of joint joins bones by cartilage or a combination of cartilage and fibrous tissue?
Secondary cartilaginous joint
Where can secondary cartilaginous joints be primarily found in the body?
Along the midline of the body
What happens to the epiphysial plate in a primary cartilaginous synchondrosis joint when full growth is achieved?
It converts to bone
Which type of cartilaginous joint is characterized by having an intervening fibrocartilaginous disc?
Secondary cartilaginous joint
Study Notes
Cartilaginous Joints (Amphiarthrosis)
- Bones are joined by cartilage, or by cartilage and fibrous tissue.
Primary Cartilaginous Joints (Synchondrosis)
- The bony ends (articular surfaces) are fused by hyaline cartilage.
- Examples include the epiphysial plate of the growing long bones connecting the diaphysis with the epiphysis.
- Primary cartilaginous joints permit growth in the length of a bone.
- When full growth is achieved, the epiphysial plate converts to bone and the epiphyses fuse with the diaphysis.
Secondary Cartilaginous Joints (Symphysis)
- The articular surfaces are lined by hyaline cartilage with an intervening fibrocartilaginous disc.
- Joints of this type are strong, slightly movable, and united by fibrocartilage.
- They are located along the midline of the body.
- Examples of this type include the intervertebral joints between the vertebral bodies, the manubriosternal joint, and the symphysis pubis.
Explore the characteristics of cartilaginous joints, focusing on primary cartilaginous joints like synchondrosis. Learn about how these joints permit bone growth and the process of fusion when full growth is achieved.
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