Phylum Nemathelminthes

HUMAN DISEASES: ASCARIASIS (ROUNDWORM INFECTION)

Introduction: Common  Intestinal infection caused by adult nematode Ascaris lumbricoides (Roundworm) Occurrence/Distribution: ·   Cosmopolitan (worldwide), More prevalent in Nepal, India China, Korea, Philippines and South Paci…

ENTEROBIUS VERMICULARIS

· Endoparasite of the large intestine (ileocaecal region), caecum, colon, and vermiform appendix, especially in children (only in humans). Adhering to the mucosa, the worms feed on bacteria and epithelial cells. · Sexes are sepa…

ANCYLOSTOMA DUODENALE (COMMON HOOKWORM)

· Most dangerous roundworm as maximum people is infected by Ancylostoma. · Sexes are separate. · No secondary host, humans are the hosts. · They differ from roundworms like Ascaris having…

WUCHERERIA BANCROFTI

· Wucherer (1866 AD) reported larva of Wuchereria (microfilaria) in urine and Bancroft discovered adult females in 1876 AD. ·   Manson discovered that Wuchereria bancrofti requires transmission through the skin by a b…

ASCARIS LUMBRICOIDES (COMMON ROUNDWORM)

· Intestinal endoparasite of man in the small intestine (especially in the jejunum) and some other vertebrates like pigs, cattle, etc, more prevalent in children than in adults as they are more susceptible to infection. · Bod…

NEMATHELMINTHES

Gegenbaur (1859 A.D.) created Nemathelminthes and Grobben (1910 A.D.) introduced aschelminthes . It includes about 15,000 species. VVI Examples of Phylum Nemathelminthes for Entrance Exams:- Ascaris lumbricoides (Roundworm) A…

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