Questions and Answers
What type of joint is characterized by the absence of movement due to the strong fibrous tissue connection?
Which of the following examples represents a permanent cartilaginous joint?
What distinguishes primary cartilaginous joints from secondary cartilaginous joints?
Which of the following is NOT a feature of synovial joints?
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In which joint type are the bones connected by a disc of fibrocartilage?
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Which of the following statements about sutures of the skull is accurate?
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What type of connective tissue primarily connects bones in primary cartilaginous joints?
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Which type of joint is characterized by the presence of articular capsules and synovial fluid?
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Which type of fibrous joint is between the teeth and the jaws?
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Study Notes
Definition of Joints
- A joint is the site where 2 or more bones meet.
Classification of Joints
- Joints are classified into 3 types based on the tissues between the bones: fibrous, cartilaginous, and synovial.
Fibrous Joints
- Characterized by strong fibrous tissue connecting articular surfaces with no movement permitted.
- Types of fibrous joints:
- Sutures of the skull: Thin fibrous tissue that frequently ossifies with age.
- Syndesmosis: Inferior tibio-fibular joint with a strong interosseous ligament that does not ossify.
- Gomphosis: Fibrous joints between teeth and jaws that do not ossify.
Cartilaginous Joints
- Classified into primary and secondary.
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Primary Cartilaginous Joints:
- Bones connected by hyaline cartilage.
- No movements permitted.
- Temporary (ossifies later).
- Examples: Epiphyseal plates of long bones, between occipital and sphenoid bones of skull, and between 1st rib and manubrium.
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Secondary Cartilaginous Joints:
- Bones connected by a disc of fibrocartilage.
- Little movement permitted.
- Permanent (does not ossify).
- Examples: Intervertebral discs, symphysis pubis, and joints between the pieces of the sternum.
Synovial Joints
- Freely movable joints.
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Structure of a Synovial Joint:
- Articular surfaces covered by a thin plate of hyaline cartilage (articular cartilage).
- Joint cavity separates articular surfaces.
- Fibrous capsule surrounds the joint cavity.
- Capsule pierced by articular vessels and sometimes by bursae or tendons.
- Capsule occasionally thickened to form capsular ligaments.
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Description
This quiz covers the definition and classification of joints, including fibrous, cartilaginous, and synovial joints.
