A serrated blade is great for ripping through heavy rope and other fibrous materials, and also keeps an edge longer due to its increased surface area. But, the reality of using knives is that even the ...

And because they’re eating different foods, they need different types of teeth.’ Serrated teeth have a jagged edge - a bit like the blade of a bread knife. Sharks don’t chew, so this combination of ...

Figure 5. Typical appearance of a sessile serrated adenoma/polyp in the ascending colon. Arrows indicate the indistinct upper edge of this flat, pale lesion. 1 Division of Gastroenterology and ...