But, unlike constrictors, these worms deliver a fatal blow with a stabbing appendage called an everted pharynx that looks ... as these segmented creatures can regenerate into two separate worms ...

“To describe this polychaete [a type of segmented marine worm], one simply must use jazz hands — it is the only way to capture this deep-sea worm’s dazzle!” they wrote. Accompanying ...

The worm's pharynx, a muscular organ composed of several dozen cells, goes through pumping motions that result in the intake of food particles from the environment. In the new study, Sherman and ...