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. 2023 May 12;3:1151789. doi: 10.3389/finsc.2023.1151789

Figure 4.

Figure 4

Digestive tract of P. japonica. (A) Larval digestive tract including midgut tissue, 3rd gastric caecum, Malpighian tubules, rectal sac, and the rectum. (B) Adult digestive tract including midgut tissue, hindgut, the pyloric valve, and Malpighian tubules (White, string-like organ).