Figure 4From: Characterization of lymphocyte subsets over a 24-hour period in Pineal-Associated Lymphoid Tissue (PALT) in the chickenDistribution of Bu-1+ cells. PALT is seen bordering a pineal follicle stained with anti-CD3 (red) and anit-Bu-1 (green). The arrows indicate processes of microglia, which are morphologically distinct from the round lymphocytes in PALT.Back to article page