Is a well-organised network of extracellular material in the closest space next to the plasmatic membrane. On the subcellular level two main compounds, collagen and elastin, are responsible for the stiffness and elasticity different cells may be characterised of, depending on the amount, location and shape of the formers.Įxtracellular matrix the change in length of a stretched spring) In the formula above K is the stiffness, F stands for the applied force on the body and δ is the displacement (e.g. For an elastic body with a single Degree of Freedom (for example, stretching or compression of a rod), stiffness is defined as follows: The stiffness of a body is a measure of the resistance offered by an elastic body to deformation. Is the extent to which an object can resist deformation responding to an applied force. This force is proportional to the amount of stretch (Hooke’s Law). It is said to be more elastic if it restores itself more precisely to its original configuration.Ī spring is an example of an elastic object, that, when stretched, exerts a restoring force which tends to bring it back to its original length. Is the property of an object or material, which causes it to be restored to its original shape after distortion.
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