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Quantitation of changes in cell shape using computerized image analysis demonstrated that PDGF doubled the total projected area of lamellipodia formed by each cell within 5 min of addition and increased it by almost 10-fold at 30 min (Fig. 3 â A).o determine relative changes in lamellipodia length in different regions of the cell, corners were defined as parts of the square perimeter within 6 Î¼m from the intersection of the two sides; sides were defined as the 18 Î¼m interval between these corner regions.
A lamella (plural, lamellae), in cell biology, is used to describe numerous plate or disc-like structures at both a tissue and cellular level. An example of this begin an extension of a thylakoid within a chloroplast, linking a thylakoid within one granum to one in another.They are the sites of photosystem I.Simply put, lamellae may be considered as a pair of membranes containing chlorophyll.n example of this begin an extension of a thylakoid within a chloroplast, linking a thylakoid within one granum to one in another. They are the sites of photosystem I. Simply put, lamellae may be considered as a pair of membranes containing chlorophyll.