主要蠕蟲各期形態(tài)觀察

1、1會(huì)計(jì)學(xué)主要蠕蟲各期形態(tài)觀察主要蠕蟲各期形態(tài)觀察牛牛文庫文檔分享蛔蟲蛔蟲受精卵受精卵未受精蛔蟲卵未受精蛔蟲卵（Unfertilized eggs of A. lumbricoides）1. broadly oval（寬橢圓形）（寬橢圓形）2. measuring 45 to 75 m by 35 to 50 m.3. The outer covering is an albuminoid coat；translucent shell（卵殼透（卵殼透明；外包裹一層蛋白質(zhì)膜）明；外包裹一層蛋白質(zhì)膜）4. stained brown by bile pigments （棕黃色）（棕黃色）5. a f

2、ertilized cell（內(nèi)含一受（內(nèi)含一受精卵）精卵）1. longer and narrower2. measuring from 88 to 94 m by 39 to 44 m3. Both the inner shell and outer albuminoid coat are thinner形態(tài)特征形態(tài)特征（Fertilized eggs of A. lumbricoides）牛牛文庫文檔分享The fertilized eggs（A. LUMBRICOIDES ）似蚓蛔線蟲受精卵似蚓蛔線蟲受精卵egg shell卵殼卵殼albuminoid coat蛋白質(zhì)膜蛋白質(zhì)膜Gap空

3、隙空隙fertilized cell卵細(xì)胞卵細(xì)胞牛牛文庫文檔分享egg shell卵殼卵殼albuminoid coat蛋蛋白質(zhì)膜白質(zhì)膜The unfertilized eggs （A. LUMBRICOIDES） 似蚓蛔線蟲未受精卵yolk cell卵卵黃細(xì)胞黃細(xì)胞牛牛文庫文檔分享Hookworm egg 鉤鉤蟲卵蟲卵egg shell卵殼卵殼fertilized cell卵細(xì)胞卵細(xì)胞Gap空隙空隙牛牛文庫文檔分享鉤蟲卵鉤蟲卵（Hookworm eggs） 十二指腸鉤蟲與美洲鉤蟲蟲卵在光鏡下不十二指腸鉤蟲與美洲鉤蟲蟲卵在光鏡下不易區(qū)分。易區(qū)分。It is hard to differenti

4、ate the eggs of the two species. （A. duodenal and N. americanus ）形態(tài)（形態(tài)（Morphology）1. ovoid （橢圓形）（橢圓形）2. very thin and transparent shell（卵殼薄，無色透明）（卵殼薄，無色透明）3. measuring 56 to 76 m by 36 to 40 m. 4. usually contains 4 or 8cells（內(nèi)含（內(nèi)含4-8個(gè)卵細(xì)胞）個(gè)卵細(xì)胞）牛牛文庫文檔分享egg shell卵殼卵殼transparent polar plugs透明栓透明栓fertil

5、ized cell卵細(xì)卵細(xì)胞胞（have broken down）Whipworm egg鞭蟲鞭蟲卵卵牛牛文庫文檔分享鞭蟲卵鞭蟲卵Whipworm eggs形態(tài)（形態(tài)（Morphology）1. typically barrel-shaped with two transparent polar plugs（腰鼓形，兩端有（腰鼓形，兩端有透明栓）透明栓）2. measuring 50 to 54 m by 22 m.3. stained brown by fecal segments4. contains a single ovum（內(nèi)含一個(gè)受精卵）（內(nèi)含一個(gè)受精卵）牛牛文庫文檔分享egg s

6、hell卵殼卵殼 immature larva未成未成熟幼蟲熟幼蟲Egg of Pinworm蟯蟲卵蟯蟲卵牛牛文庫文檔分享形態(tài)（形態(tài)（Morphology）1. ovoid and usually conspicuously flattened 明明顯扁平顯扁平on one side一側(cè)明一側(cè)明顯較為扁平顯較為扁平2. measuring 50 to 60 m by 20 to 30m3. translucent shell卵殼無色卵殼無色透明透明4. content is usually an immature larva（內(nèi)含（內(nèi)含未未成熟的幼蟲成熟的幼蟲）蟯蟲卵蟯蟲卵Egg of Pin

7、worm 牛牛文庫文檔分享頭翼食道球 蟯蟲成蟲蟯蟲成蟲Adult of Pinworm 牛牛文庫文檔分享大小、體形大小、體形十二指腸鉤蟲十二指腸鉤蟲A. duodenal 美洲鉤蟲美洲鉤蟲N. americanus 牛牛文庫文檔分享十二指腸鉤蟲口囊十二指腸鉤蟲口囊鉤齒鉤齒板齒板齒美洲鉤蟲口囊美洲鉤蟲口囊口囊（口囊（Buccal capsule）牛牛文庫文檔分享背輻肋背輻肋十二指腸鉤蟲十二指腸鉤蟲A. duodenal 美洲鉤蟲美洲鉤蟲N. americanus 交合傘、背肋（交合傘、背肋（Bursa、Dorsal ray）牛牛文庫文檔分享旋毛蟲囊包蚴旋毛蟲囊包蚴Encysted larvae

8、of TRICHINELLA SPIRALISUsually, there is only one or two coiled larva in a capsule囊包囊包of the muscle fiber.牛牛文庫文檔分享encysted larvae囊包蚴囊包蚴TRICHINELLA SPIRALIS 旋毛形線蟲旋毛形線蟲牛牛文庫文檔分享牛牛文庫文檔分享 成蟲（圓葉目）成蟲（圓葉目）頭節(jié)頭節(jié): 細(xì)小，圓形或方形，有吸盤 頸節(jié)頸節(jié): 細(xì)短，有生發(fā)組織功能鏈體鏈體: 幼節(jié)成節(jié)孕節(jié)（妊娠節(jié)片）頭頸節(jié)鏈體幼節(jié)成節(jié)孕節(jié)牛牛文庫文檔分享寄生人體的絳蟲有寄生人體的絳蟲有3030多種，分多種，分屬于絳

9、蟲綱的屬于絳蟲綱的圓葉目圓葉目和和假葉目假葉目。豬帶絳蟲（圖示）豬帶絳蟲（圖示）牛帶絳蟲（圖示）牛帶絳蟲（圖示）細(xì)粒棘球絳蟲短、長(zhǎng)膜殼絳蟲曼氏迭宮絳蟲闊節(jié)裂頭絳蟲牛牛文庫文檔分享 T. solium T. saginata成蟲（Adult）牛帶絳蟲豬帶絳蟲牛牛文庫文檔分享頭節(jié)（頭節(jié)（Scolex） T. soliumT. saganita 頂突及小鉤牛牛文庫文檔分享23豬帶絳蟲成節(jié)牛帶絳蟲成節(jié)成節(jié)（成節(jié)（Mature proglottid）卵巢牛牛文庫文檔分享豬帶絳蟲孕節(jié)牛帶絳蟲孕節(jié)孕節(jié)（Gravid proglottid）子宮每側(cè)分7-13支，分支不整齊子宮每側(cè)分15-30支，分支較整齊子宮

10、牛牛文庫文檔分享帶絳蟲囊尾蚴帶絳蟲囊尾蚴橢圓形囊狀物，黃豆大小（橢圓形囊狀物，黃豆大?。∣void, cystic, size = a bean）牛牛文庫文檔分享cysticercus cellulosae牛心臟和牛肉之中的囊尾蚴牛心臟和牛肉之中的囊尾蚴 牛牛文庫文檔分享 embryophore 胚膜six-hooked larvae 六鉤蚴oncosphereTaenia spp. Egg帶絳蟲卵帶絳蟲卵 牛牛文庫文檔分享形態(tài)（形態(tài)（Morphology）1. 30 to 40m 2. Spherical（球形）（球形）3. thin, transparent outer envelope（

11、外殼薄無色透明）（外殼薄無色透明）4. The oncosphere is enclosed in thick, radially striated coat called the embryophore, usually dark brown in color（六鉤蚴外具有厚（六鉤蚴外具有厚的放射狀條紋胚膜、棕黑色）的放射狀條紋胚膜、棕黑色）5. six-hooked larvae（ 活卵內(nèi)易見活卵內(nèi)易見到六鉤蚴）到六鉤蚴）帶絳蟲卵帶絳蟲卵Taenia spp. egg Can not differentiate T. saginata from T. solium 牛牛文庫文檔分享蟯蟲卵蟯

12、蟲卵Pinworm eggs鞭蟲卵鞭蟲卵Whipworm eggs鉤蟲卵鉤蟲卵Hookworm eggs受精蛔蟲受精蛔蟲卵卵Fertilized eggs of A. lumbricoides未受精蛔蟲卵未受精蛔蟲卵Unfertilized eggs of A. lumbricoides帶絳蟲卵帶絳蟲卵Eggs of T. saginata 牛牛文庫文檔分享牛牛文庫文檔分享口吸盤口吸盤腹吸盤腹吸盤子宮子宮卵巢卵巢睪丸睪丸ADULT OF CLONORCHIS SINENSIS 華支睪吸蟲成蟲牛牛文庫文檔分享egg shell卵殼operculum卵蓋 cauda-small knob 尾疣Mi

13、racidium毛蚴EGG OF CLONORCHIS SINENSIS 華支睪吸蟲卵牛牛文庫文檔分享egg shell卵殼卵殼fertilized cell卵細(xì)胞卵細(xì)胞yolk cell卵黃細(xì)胞卵黃細(xì)胞operculum卵蓋卵蓋EGG OF FASCIOLOPSIS BUSKI 布氏姜片吸蟲布氏姜片吸蟲卵卵牛牛文庫文檔分享egg shell卵殼卵殼fertilized cell卵細(xì)胞卵細(xì)胞yolk cell卵黃細(xì)胞卵黃細(xì)胞operculum卵蓋卵蓋EGG OF PARAGONIMUS WESTERMANI 衛(wèi)氏并殖吸蟲衛(wèi)氏并殖吸蟲卵卵牛牛文庫文檔分享lateral knob 側(cè)刺側(cè)刺egg

14、shell卵殼卵殼Miracidium毛蚴毛蚴EGG OF SCHISTOSOMA JAPONICUM日本血吸蟲卵日本血吸蟲卵牛牛文庫文檔分享牛牛文庫文檔分享牛牛文庫文檔分享鉤蟲卵鉤蟲卵（Hookworm eggs） 十二指腸鉤蟲與美洲鉤蟲蟲卵在光鏡下不十二指腸鉤蟲與美洲鉤蟲蟲卵在光鏡下不易區(qū)分。易區(qū)分。It is hard to differentiate the eggs of the two species. （A. duodenal and N. americanus ）形態(tài)（形態(tài)（Morphology）1. ovoid （橢圓形）（橢圓形）2. very thin and transparent shell（卵殼薄，無色透明）（卵殼薄，無色透明）3. measuring 56 to 76 m by 36 to 40 m. 4. usually contains 4 or 8cells（內(nèi)含（內(nèi)含4-8個(gè)卵細(xì)