蛔蟲鉤蟲蟯蟲ppt課件-文庫吧資料
2025-01-21 21:26本頁面
【正文】 kin Creeping Eruption 匍形疹 。m by 3547 181。m by 2223 181。 “s”, 1cm177。 ( 2) injury to ans or tissues by migration of larvae in the body 2) Adults： (1) injury to intestinal mucosa caused by the parasites living in gastro intestinal system (2) injury to lymphatic system, muscles or nervous system caused by the parasites living in tissues What about Egg？ INTESTINAL HELMINTHS Ascaris lumbricoides (roundworm) 似蚓蛔線蟲 Trichuris trichiura (whipworm) 毛首鞭形線蟲 Enterobius vermicularis (pinworm) 蠕形住腸線蟲 Ancylostoma duodenale and Necator americanus (hookworms) 鉤蟲 2022年第二次寄調(diào) Ascaris lumbricoides (ascarids) Adults live in intestine of human, cause Ascariasis (蛔蟲病 )； Human is the only definitive host of this parasite. 1 billion world wide the infective rate in China % Hookworms Five species of hookworms: Ancylostma duodenale 十二指腸鉤口線蟲 Necator americanus 美洲板口線蟲 Ancylostma ceylanicum 錫蘭鉤口線蟲 Ancylostma caninum 犬鉤口線蟲 Ancylostma brazilience 巴西鉤口線蟲 Adult live in the intestine and take blood from the host, cause hookworm disease. Number of humans infected is estimated at billion with 50,000 to 60,000 deaths each year. 國(guó)內(nèi)： % Enterobius vermicularis (Pinworm) Almost anybody can bee infected with this parasite，especially children. The worldwide infection is about 210 million 國(guó)內(nèi)： % Morphology Morphology－ Adult of Ascaris lumbricoides the largest nematode parasites of humans Creamy white or pinkish in color elongate and cylindrical Female: measuring 35cm long, posterior end is straight Male: measuring 25cm long， posterior end is curved . Morphology－ Adults of Ascaris lumbricoides Three lips around the mouth in “品” type and possess small teeth Morphology－ Adults of Ascaris lumbricoides 50 mm long with a slender anterior and a thicker posterior end The male is smaller and has a coiled posterior end Morphology－ Adults of Trichuris trichiura Morphology－ Adults of Enterobius vermicularis Adults: pinlike, white, small worm Female showing esophageal bulb amp。Introduction to the He
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