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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Gen Comp Endocrinol. 2014 Nov 10;210:130–144. doi: 10.1016/j.ygcen.2014.10.015

Fig. 2.

Fig. 2

Perchlorate disrupts thyroid morphology. Horizontal paraffin section H&E stained thyroid follicles of 18 dpf (A and B) and adult (C–F) stickleback at 20× magnification (A–C), and 60× magnification (E and F) showing thyrocyte morphology in untreated (A, C and E) and treated (B, D and F) stickleback. TF = thyroid follicle; Ad = adipocyte; SM = smooth muscle; VA = ventral aorta; CA = cartilage. Perchlorate causes hyperplasia of small thyroid follicles. Perchlorate causes an increase in the number of thyroid follicles and a dramatic decrease in thyroid follicle width.