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Fig. 4 | BMC Biology

Fig. 4

From: Functional integration of the circulatory, immune, and respiratory systems in mosquito larvae: pathogen killing in the hemocyte-rich tracheal tufts

Fig. 4

Larval hemocytes associate with the eighth abdominal segment tracheal tufts and are distinct from the segmental hemocyte bands. a Posterior portion of the dorsal abdomen of a dissected larva showing the trachea of the seventh and eighth abdominal segments under bright-field and fluorescence illumination. A dense mass of tracheoles known collectively as the tracheal tufts (TT) extend ventrally from the dorsal longitudinal tracheal trunks (T). Hemocytes (CM-DiI; red) bind to the tracheal tufts in high numbers. b, c EDF (b) and 3D volume view (c) images of a portion of the seventh and eighth abdominal segments of a larva. Tracheal tuft hemocytes (rectangles) lie ventral to the dorsal segmental hemocytes. Directional arrows: A anterior, P posterior, D dorsal, V ventral, L lateral

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