Localisation of apo B in subcutaneous and intra-abdominal adipose tissue. Representative pictures of immunohistochemical staining of apo B (A, C) and CD68 (B) in human adipose tissue. (A) and (B): Serial sections of subcutaneous adipose tissue from an obese woman stained for apo B and CD68 respectively. (C): Intra abdominal adipose tissue from a non-obese individual stained for apo B. Positive staining for apo B (A and C) and CD68 (B) is shown as brown coloration. All sections were counterstained with haematoxylin (coloured blue).