Difference between revisions of "Ancylostomatoidea Structure and Function"

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|name              =Ancylostomatoidea
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'''Scientific Classification'''
|kingdom            =Animalia
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|phylum            =[[Nematodes|Nematoda]]
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{| cellpadding="10" cellspacing="0" border="1" 
|class              =Secernentea
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| Kingdom
|sub-class          =
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| Animalia
|order              =Strongylida
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|-
|super-family      =[[Ancylostomatoidea]]
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| Phylum
|family            =Ancylostomatidae
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| Nematoda
|sub-family        =
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|-
|genus              =
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| Class
|species            =
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| Secernentea
}}
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|-
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| Order
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| Strongylida
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|-
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| Superfamily
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| Ancylostomatoidea
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|-
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| Family
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| Ancylostomatidae
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|-}
  
 
== General Appearance ==
 
== General Appearance ==
 
[[Image:Ancylostoma.jpg|thumb|right|150px|''Ancylostoma'' - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine]]
 
[[Image:Ancylostoma.jpg|thumb|right|150px|''Ancylostoma'' - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine]]
The superfamily '''Ancylostomatoidea''' contains the 'hookworms', 1-2 cm long bursate [[Nematodes|'''nematodes''']] which, together with the [[Strongyloidea|'''Strongyloidea''']] and [[Trichostrongyloidea|'''Trichostrongyloidea''']], belong to the order '''Strongylida'''.
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The superfamily '''Ancylostomatoidea''' contains the 'hookworms', 1-2 cm long bursate [[Nematoda|nematodes]] which belong to the large order '''[[Strongyloidea|Strongylida]]''', which also contains the [[Cyathostomins|'''cyathostomins''']] and the [[Syngamus trachea|'''gapeworm''']].  
 
 
Unlike the rest of the [[Strongyloidea]], the head is bent dorsally so that the buccal cavity forms a characteristic 'hook'.  Members of the family have large buccal cavities which often contain teeth and cutting plates to allow the adult worms to embed their heads deeply into the mucosa of the small intestine.  The large buccal cavity can be easily identified under the microscope and the configuration of teeth and cutting plates can be used to identify individual species.
 
 
 
Almost all hookworm '''eggs''' are oval in shape and around 50 um in diameter. The shell membrane is thin and transparent and, by the time the egg is passed in the faeces, it contains a segmented ovum at the 4 or 8 cell stage. In a tropical climate, the egg will hatch within 24 hours and only L1 larvae will then be detectable.
 
 
 
  
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Unlike the rest of the Strongyloidea, the head is bent dorsally so that the buccal cavity is parallel to the rest of the body.  Members of the family have large buccal cavities which often feature teeth and cutting plates to allow the adult worms to embed their heads deeply into the mucosa of the small intestine.  The large buccal cavity can be easily identified under the microscope and the configuration of teeth and cutting plates can be used to identify individual species.
  
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[[Category:Ancylostomatoidea|A]]
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[[Category:Ancylostomatoidea]]
  
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[[Category:Dog_Nematodes]][[Category:Cat_Nematodes]]

Revision as of 15:07, 7 July 2010



Scientific Classification

General Appearance

Ancylostoma - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine

The superfamily Ancylostomatoidea contains the 'hookworms', 1-2 cm long bursate nematodes which belong to the large order Strongylida, which also contains the cyathostomins and the gapeworm.

Unlike the rest of the Strongyloidea, the head is bent dorsally so that the buccal cavity is parallel to the rest of the body. Members of the family have large buccal cavities which often feature teeth and cutting plates to allow the adult worms to embed their heads deeply into the mucosa of the small intestine. The large buccal cavity can be easily identified under the microscope and the configuration of teeth and cutting plates can be used to identify individual species.

Kingdom Animalia
Phylum Nematoda
Class Secernentea
Order Strongylida
Superfamily Ancylostomatoidea
Family Ancylostomatidae