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Solidity
By Gabriel Galea, on 14 September 2020
Cell shape is very important in studies of biomechanics.
In isolation, detached from their substrate and neighbours, most cells round up into a spherical shape. But when they are densely packed in tissues, cells push on each other and deform their neighbours and tissues.
One measurement we use to describe this packing is Solidity, which is defined as an object’s area divided by the area of a convex hull drawn around the object:
