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Table 1 Zonal cell densitya in each group

From: Engineering zonal cartilage through bioprinting collagen type II hydrogel constructs with biomimetic chondrocyte density gradient

Group Cell density gradient Homogeneous distribution
Superficial zone Middle zone Deep zone
A 4.284 × 107 2.856 × 107 1.428 × 107 2 × 107
B 2.142 × 107 1.428 × 107 0.714 × 107 1 × 107
C 1.071 × 107 0.714 × 107 0.357 × 107 0.5 × 107
  1. aCell density unit: cells/mL