Figure 1
From: Foetal haemoglobin-blood cells (F-cells) as a feature of embryonic tumours (blastomas)
Nephroblastoma. (A) Large blood vessel in tumour tissue, containing 20% Fer. Calibration bar, 50 μm. (B) Tubular differentiating area with proliferating blood vessels full of Fc. Calibration bar, 50 μm. (C) Fc within glomeruloid body. Arrow indicates one Feb. Calibration bar, 25 μm.
