Fluorescence photomicrographs of anterograde label in the laterodorsal and anterior thalamic nuclei after a BDA injection into the anterior cingulate cortex (199#10). All pictures are converted to grayscale. (A) Photomicrograph of the BDA injection site. The image is an overlay of the fluorescence photomicrograph with its corresponding cresyl stained section. (B) BDA labeled fibers in the anterior thalamic nuclei at rostral levels. (C) A higher-resolution picture of the contralateral hemisphere in figure B. Figures D, E, F, G BDA labeled fibers in the laterodorsal and the anterior thalamic nuclei in the ipsilateral (E, G) and the contralateral (D, F) hemispheres. Scale bars = 200 µm.