Description: English: Gastric caeca of a dissected Nauphoeta cinerea cockroach. In the top-left the crop, containing partially digested carrot, is visible. The caeca are sausage-like protrusions emerging from near where the crop meets the gut. The fine white threads are trachea. 6.7 x magnification, 500 ms exposure. Scale bar, 2 mm. Date: 24 September 2014. Source: Own work. Author:
Adrian J. Hunter.