Cartilaginous joint
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| Cartilaginous joint | |
|---|---|
| Latin | junctura cartilaginea |
| Dorlands/Elsevier | j_02/12466115 |
Cartilaginous joints are connected entirely by cartilage (fibrocartilage or hyaline).[1] Cartilaginous joints allow more movement between bones than a fibrous joint but less than the highly mobile synovial joint. An example would be the joint between the manubrium and the sternum. Cartilaginous joints also forms the growth regions of immature long bones and the intervertebral discs of the spinal column.
Contents |
Primary cartilaginous joints
Known as "synchondroses". Bones are connected by hyaline cartilage or fibrocartilage, sometimes occurring between ossification centers. This cartilage may ossify with age.
Examples in humans are the joint between the first rib and the manubrium of the sternum, and the "growth plates" between ossification centers in long bones. Also, the lesser known and commonly overlooked cartilaginous joint, the talus of the foot. These joints usually allow no movement, or minimal movement in the case of the manubriosternal and first manubriocostal joints.
Secondary cartilaginous joints
Known as "symphyses". Fibrocartilaginous joints, usually occurring in the midline.
Examples in human anatomy would be the intervertebral discs, and the pubic symphysis.
Articulating bones at a symphasis are covered with hyaline cartilage and have a thick, fairly compressable pad of fibrocartilage between them.
References
- ↑ Module - Introduction to Joints. Retrieved on 2008-01-29.
External links
Joints | |
|---|---|
| Types | fibrous: Gomphosis - Suture - Syndesmosis
cartilaginous: Synchondrosis - Symphysis synovial: Plane joint - 1° (Hinge joint, Pivot joint) - 2° (Condyloid joint, Saddle joint) - 3° (Ball and socket joint) by range of motion: Synarthrosis - Amphiarthrosis - Diarthrosis |
| Terminology | Kinesiology - Anatomical terms of motion - Agonist/Antagonist |
| Motions | general: Flexion/Extension - Adduction/Abduction - Internal rotation/External rotation - Elevation/Depression
specialized/upper limbs: Protraction/Retraction - Supination/Pronation specialized/lower limbs: Plantarflexion/Dorsiflexion - Eversion/Inversion |
| Components | Articular capsule (Synovial membrane, Fibrous membrane) - Synovial fluid - Bursa - Articular disk |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
