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Fibrous joints

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seminar on fibrous joints

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Fibrous joints

  1. 1. Allu mallu
  2. 2.  Fibrous joints is one of the 3 structural classification of the joints. • FIBROUS JOINTS • CARTILAGENOUS JOINTS • SYNOVIAL JOINTS
  3. 3. • IMMOVABLE JOINTS-SYNARTHROSIS • Example-sutures of t the skull
  4. 4.  SLIGHTLY MOVABLE JOINTS-AMPHIARTHROSIS  Example-Symphysis (Sternocostal joints)
  5. 5.  FREELY MOVABLE JOINTS-DIARTHROSIS Example-Knee joints, Majority of the joints of the limb
  6. 6.  Defined as connections between bones held together by fibrous connective tissues that includes mainly of collagen fibers.  In most instances, fibrous joints consists predominantly of collagenous junction between bones but in minority of situations fibro-elastic tissue predominates.
  7. 7. • SUTURES • SYNDESMOSIS • GOMPHOSIS
  8. 8.  A suture is an immovable joint consists of a thin layer of dense fibrous connective tissue attaching certain bones of the skull.  The irregular interlocking edges of cranial bone that are attached together by the suture joints contribute to the strength of the joint.  Are limited to skull and occur wherever margins or broad surfaces of bones are seperated by connective tissue, the sutural ligament or membrane.
  9. 9.  Is a surviving unossified part of mesenchymal sheets in which dermal bone develops.  Consists of region of differentiation concerned in growth and binding of apposed bone surfaces. A cambial layer rich in osteogenic cells covered by a capsular lamella of fibrous tissue is present at the sutural outlines of bones which is continous with the periosteum lining the margins of sutural surface which provides added strength.
  10. 10.  With in this, a central stratum of fibrous connective tissue is present with thin walled blood vessels , the veins of which communicates with the diploic veins, intra cranial venous sinuses and external veins in the scalp.  During growth, secondary cartilage formation occurs with in the sutural ligament, indicating the relationship between the cartilagenous and fibrous joints.
  11. 11.  Once the cranial growth ends, the osteogenic cells undergo complete ossification leading to obliteration and rigid synostosis, which is a slow process.  Sutural ligament may create as almost immovable bond between large areas of the bones
  12. 12.  SAGITTAL SUTURE  CORONAL SUTURE  LAMBDOID SUTURE  SQUAMOSAL SUTURE
  13. 13.  Specialized suture in which rigid bone fits in to a groove on a neighbour element.  Example: Cleft between the alae of the vomer which receives the rostrum of sphenoid
  14. 14.  Immovable joints in which bones are attached by intra osseous ligament in the form of a slender fibrous chord or aponeurotic membrane which is neither a suture or gomphosis.  Example:-Distal articulation of tibia and fibula by connective tissue of ankle. In jury to this connective tissue result in high ankle sprain.
  15. 15. •Syndesmosis are found in the vertebral column, middle ear, antebrachium, and leg. The articulating bones of syndesmosis are held together by interosseous ligaments, which permit slight movement.
  16. 16.  A peg and socket joint is a specialized fibrous articulate restricted to the fixation of teeth in alveolar sockets in maxilla and mandible.  The only gomphosis in the human body are attachments of root of the tooth with in the sockets of the alveolar process  The collagen of periodontium connects the cementum to the alveolar bone which helps in the articulation of teeth with in the sockets.
  17. 17.  Although the fibrous joint does not produce any movement, these serve as the connecting bond between two solid structures in a human body which provides an added strength for certain bones to attach each other and attachment of teeth with in the socket.
  18. 18.  GRAYS ANATOMY –WILLIAM PETER 38TH EDITION  B.D.CHAURASIAS –HUMAN ANATOMY REGIONAL AND APPLIED 3RD EDITION  TOMCO, RACHEL- "FIBROUS JOINTS". ANATOMYONE. AMIRSYS, Inc.2012-09-28  GOOGLE.COM-IMAGES

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