Ascaris species are very large (adult females: 20 to 35 cm; adult males: A. lumbricoides is the primary species involved in human infections.
[Ascaris lumbricoides] . Ascaris species are very large (adult females: 20 to 35 cm; adult males: 15 to 30 cm) nematodes (roundworms) that.
Ascaris lumbricoides is the "large roundworm" of humans, growing to a length of up to 35 cm Eggs released by adult females are shed in feces. Unfertilized.
during endoscopic retrograde cholangiopancreatography shows a linear filling defect (arrow) that was later identified as an adult Ascaris lumbricoides worm.
If the infection is untreated, adult worms can live for 12 to 18 months, resulting Ascaris lumbricoides has been found in the appendiceal lumen in patients with.