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Sutures of human skull are examples of

Option: 1

Fibrous joints


Option: 2

Hinge joints


Option: 3

Synovial joints


Option: 4

Pivot joints


Answers (1)

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Joints -

  • Joints are points of contact between bones, or between bones and cartilages. 
  • Force generated by the muscles is used to carry out movement through joints, where the joint acts as a fulcrum.
  • According to the mobility they are classified under the following heads:
  • Fibrous or Immovable Joints:
    • Fibrous joints do not allow any movement. 
    • This type of joint is shown by the flat skull bones which fuse end-to-end with the help of dense fibrous connective tissues in the form of sutures, to form the cranium.
  • Cartilaginous or Slightly Movable Joints:
    • The bones involved are joined together with the help of cartilages. 
    • The joint between the adjacent vertebrae in the vertebral column is of this pattern and it permits limited movements.
  • Synovial or Freely Movable Joints:
    • Synovial joints are characterised by the presence of a fluid-filled synovial cavity between the articulating surfaces of the two bones. 
    • Such an arrangement allows considerable movement. 

Hence, the correct option is fibrous joints

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