The Postembryonic Development of the Immunological Barrier in the Chicken Spleens

Figure 3

The ultrastructure of endothelial cells of the sheathed capillary in the chicken spleens of different ages. (a, b) The endothelial cells in a 1-day-old chicken spleen. (c, d) The endothelial cells in a 7-day-old chicken spleen. (e, f) The endothelial cells in a 35-day-old chicken spleen. (g, h) The endothelial cells in a 60-day-old chicken spleen. EN: endothelial cell.

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