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. 2014 Jun 9;9(6):e99170. doi: 10.1371/journal.pone.0099170

Figure 4. ATM aggregation steps in H&E stained HP tissue sections in comparison to true gregarines.

Figure 4

(a) Small, scattered membrane-lie structures in the HP tubule lumen. (b) More extended membranes beginning to aggregate in the tubule lumen. (c) Tighter aggregation of membranes bound by a continuous outer membrane and taking the shape of ATM. (d) Highly condensed ATM in a tubule lumen. (e) Accumulation of many individual ATM at the center of the HP near the midgut junction. (f) True gregarines clustered near the midgut junction and showing prominent nuclei.