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. 2020 Jan 28;13(3):781–795. doi: 10.1111/1751-7915.13538

Figure 2.

Figure 2

Photomicrographs of ventral nerve cord histology of normal and moribund shrimp from S. khirikhana TH2012T challenge tests. Asterisks (*) indicate the same location in photomicrographs at different magnifications.

A and B. A control shrimp showing normal nerve cord histology at low and high magnification respectively.

C, D and E. Moribund shrimp histopathology at progressively higher magnifications showing irregularly shaped nuclei reminiscent of scattered jigsaw puzzle pieces (JSN).

F. Example of JSN in a section where pressure from adjacent vacuoles appears to be the cause of their abnormal shapes (arrows).