【正文】
似 蚓 蛔 線 蟲(chóng) Ascaris lumbricoides 簡(jiǎn) 介 ? 似蚓蛔線蟲(chóng)俗稱(chēng)蛔蟲(chóng),為寄生人體的腸道線蟲(chóng)中體形最大者,其成蟲(chóng)寄生于人的小腸,引起蛔蟲(chóng)?。?Ascariasis)。 ? 犬弓首線蟲(chóng)( Tosocaracanis),簡(jiǎn)稱(chēng)犬蛔蟲(chóng),是犬類(lèi)常見(jiàn)的寄生蟲(chóng),但其幼蟲(chóng)能在人體內(nèi)移行,引起內(nèi)臟幼蟲(chóng)移行癥( Visceral larva migrans, VLM)。 一、形 態(tài) ?1. 成蟲(chóng) ?2. 蟲(chóng)卵 受精蛔蟲(chóng)卵 未受精蛔蟲(chóng)卵 兩種蛔蟲(chóng)卵比較 ?3. 幼蟲(chóng) 1. 成蟲(chóng) (Adult Ascaris Worm) 成蟲(chóng)的唇瓣 ?Ascaris, the three lips are seen at the anterior end. The margin of each lip is lined with minute teeth which are not visible at this magnification. 5. Enlarged by . Ascaris lumbricoides – Lips En Face“ 雄蛔蟲(chóng)交合刺 Section of the Anterior End of Ascaris (蛔蟲(chóng)橫切面 ) ?The elongated oesophagus is visible in the entre. 10.