Nov 10, · Ascaris lumbricoides: Morphology, life cycle, Pathogenesis, lab diagnosis and Treatment Ascaris lumbricoides is an intestinal round worm. It is the largest intestinal nematode to infect Human. The adult worm lives in small intestine and grow to a length of more than 30 cm. Human is only the natural host and reservoir of infection. ADVERTISEMENTS: In this article we will discuss about Ascaris Lumbricoides: 1. Habit, Habitat and External Features of Ascaris Lumbricoides 2. Body Wall of Ascaris Lumbricoides 3. Body Cavity or Pseudocoel 4. Digestive System 5. Respiratory and Excretory System 6. Nervous System 7. Sense Organs 8. Reproductive System 9. Life History
Ascaris lumbricoides remains the most prevalent of the geohelminths or soil-transmitted nematodes. Ascaris is a remarkably infectious and persistent parasite and its large size, migratory pathway through the tissues, and allergenicity further enhance its public health significance. Chronic ascariasis is known to contribute to insidious. Sometimes an adult worm is passed, usually per rectum. If an Ascaris worm is found in the feces, a stool specimen can be checked for eggs to document whether or not additional worms are present prior to instituting therapy . Ascaris lumbricoides in stool – Wet mount of stool.
An estimated million– billion people in the world are infected with Ascaris lumbricoides (sometimes called just Ascaris or ascariasis).Ascaris, hookworm, and whipworm are parasitic worms known as soil-transmitted helminths (STH). Together, they account for a major burden of parasitic disease worldwide. Ascariasis is a disease caused by the parasitic roundworm Ascaris lumbricoides. Infections have no symptoms in more than 85% of cases, especially if the number of worms is small. Symptoms increase with the number of worms present and may include shortness of breath and Causes: Eating Ascaris eggs.