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Interactions between parallel (A) cells within the A-zone and obliquely (B) aligned cells within the D-zone. (A) Band of highly compacted and aligned collagen between the ends of the two cells. (B) When cells were not aligned in parallel, straps of collagen were often observed originating from the sides of the pseudopodial processes (arrows), resulting in the formation of collagen bands at oblique angles from the long axis of the cells (arrowhead).
