41. The existence of longevity genes has been demonstrated so far in yeast, roundworms , and fruit flies. 42. Guarente is now looking to see if the same is true in the laboratory roundworm and in mice. 43. In what passes for its brain, the little roundworm has 302 nerve cells of 118 different types. 44. Other examples of food-and water-borne diseases include cholera, typhoid, polio and roundworm . 45. Roundworms are about a millimeter long, with smooth, cylinder-shaped bodies tapered at both ends.46. The Harvard scientists disabled genes so that the bioengineered roundworms would have much lower fat levels than normal. 47. The drug frequently kills both roundworm and tapeworm, especially the former, and is therefore an anthelmintic. 48. For example, OpenWorm seeks to make a cellular level simulation of a roundworm , a multidisciplinary project. 49. They both come belong the " Trichuris " genus that are roundworms also known as whipworms. 50. It is a nematode ( roundworm ) and a common intestinal parasite or helminth, especially in humans.
