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Phylum: Nemathelminthes Class: Nematoda Ancylostoma. By Assist. lecturer Maytham A. Alwan. Ancylostoma. superfamily : Ancylostomatoidea Family : Ancylostomatidae Sub Family : Ancylostomatinae Genus : Ancylostoma
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Phylum: NemathelminthesClass: Nematoda Ancylostoma By Assist. lecturer Maytham A. Alwan
Ancylostoma superfamily : Ancylostomatoidea Family : Ancylostomatidae Sub Family : Ancylostomatinae Genus : Ancylostoma Species : A. duodenale (human) , A. braziliense (dog and cats), A. caninum (dog), A. tubaeforme (cats ) Synonyms : hook worm
Morphology Morphology : 1. Female 10-13 mm long is slightly larger than male 8-11 mm long. A. duodenale, 8 to 13 mm long , A. braziliense, from 8 to 11 mm long, dark in color, anterior end have a large buccal cavity containing one (A. braziliense ), two (A. duodenale ), three (A. caninum , A. tubaeforme ) pairs of sharp teeth and more or less hooked.
Morphology The male’s posterior end is expanded to form a copulatory bursa. 2. Eggs: 60×40 µm in size, oval in shape, shell is thin and colorless. Content is 2-8 cells.
1-1.4 mm long 0.8-1 mm long Hook mouth Digestive system testis Ecit opening ovary uterus Copulatory spicule Cement gland Opening of cloaca vulva vagina
Ancylostoma The oral opening of this species containscutting plates as opposed to teeth .
Ancylostoma The posterior end showing bursa with spicules Po
Ancylostoma Life Cycle Diagram
Ancylostoma Cutaneous larva migrans: caused by probable Ancylostoma braziliense