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Fig. 6. Reduction of tsh function results in small eyes. (A,B) Lateral
views of (A) wild-type and (B) ey-GAL4; arm-GAL4/UAS-tshRNAi
adult heads. (C-F) Clones expressing tshRNAi, positively marked with
lacZ (blue) and Tsh (green). (C,D) Late L3 disc showing autonomous
loss of Tsh-immunoreactivity (arrows). (E,F) Close up of a dorsal clone in
which cells have different levels of Tsh immunoreactivity: none (arrow) or
normal (arrowhead).