Table

Diseases caused by Worms

Diseases caused by Worms Pathogen responsible and its habit Mode of Transmission Main symptoms of disease
Taeniasis Taenia solium; small intestine (jejunum) of man Part of the life cycle in pig, man get infected on eating pork, infected stage being mature (cysticercus) in park. Abdominal discomfort, chronic indigestion, anemia, diarrhea, alernating with constipation, false hunger pains.
Ancylosioniasis or ‘Hook-worm disease’ Ancyclostoma duodenale; small intestine (jejunum) of man Transmission from person to person, filarial form larvae passed out in faeces man picks up infection walking bare-foot on faecally contaminated soil. Dermatitis; reddish, itchy papule along the path traversed by larve; srvere anaemia; duodenal ulcer, constipation, Patient pale, face puffy with swelling of lower eyelids, oedema of feet and ankle.
Ascariasis Ascaris lumbriocoides; small intestine (jejunum) of man Transmission from person to person, ripe eggs passed out in faeces, infection affected by swallowing ripe Ascaris eggs with raw vegetables Larvae in lung cause pneumonia. Many give rise to typhoid like fever causes protein and Vitamin A deficiencies resulting in protein calorie malnutrition and night blindness respectively. Can cause appendicitis, jaundice by blocking lumina of appendix and billary passages.
Enterobiasis or ‘Pinworm’ disease Enterobius vermicularis; caecum and vermiform appendix Transmission from one person to another by ingestion of eggs in contaminated food or drink, Autoinfection itching in anus; scratching anus and ripe eggs on fingers transferred during food ingestion of such food. Eczematous condition round the anus, bed-wetting at night, inflammation of vermiform appendix.
Filariasis Wuchereria bancrofti or W. malaye; lymphatic vessels and lymph nodes Part of the life cycle in mosquito in which larvate develop and become infective to man, with mosquito bite larvae deposited on skin which enter through punctured wound and reach lymphatic ehannels. Elephantiasis i.e. enormous enlargement of certain body parts such as that of leg, scrotum, penis, labia, clitoris, breast, forearm.
Related Topicसंबंधित विषय