Difference between revisions of "Angiostrongylus vasorum"

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{{Taxobox
 
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|name              =''Angiostrongylus vasorum
 
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|kingdom            =Animalia
 
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|phylum            =[[:Category:Nematodes|Nematoda]]
 
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|class              =Secernentea
 
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|sub-class          =
 
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|order              =Strongylida
 
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|super-family      =[[:Category:Metastrongyloidea|Metastrongyloidea]]
 
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|family            =[[:Category:Angiostrongylidae|Angiostrongylidae]]
 
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|sub-family        =
 
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|genus              =Angiostrongylus
 
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|species            ='''''A. vasorum'''''
 
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}}
 
  
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Also known as: '''''Haemostrongylus vasorum
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{| cellpadding="10" cellspacing="0" border="1"
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| Also known as:
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| '''Haemostrongylus vasorum
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|-
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|}
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===Scientific Classification===
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{| cellpadding="10" cellspacing="0" border="1" 
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| Kingdom
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| Animalia
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|-
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| Phylum
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| Nematoda
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|-
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| Class
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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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| Family
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| Metastrongylidae
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|-
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| Genus
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| Angiostrongylus
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|-
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| Species
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| '''A. vasorum'''
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|}
  
 
==Hosts==
 
==Hosts==
 
'''Definitive host''': Dogs and foxes.
 
'''Definitive host''': Dogs and foxes.
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'''Intermediate host''': Mainly snails and slugs.
 
'''Intermediate host''': Mainly snails and slugs.
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It exists mainly in Western Europe - not established in the USA.
 
  
 
==Identification==
 
==Identification==
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''Angiostrongylus vasorum'' is a parasite of the family [[Angiostrongylidae]].  The adults are slender, and measure around 2cm in length.  The males have a small bursa.
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The adults are slender, and measure around 2cm in length.  The males have a small bursa.
  
 
==Life Cycle==
 
==Life Cycle==
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The adults are ovo-viviparous.  The adults lay eggs in the pulmonary arteries.  The eggs then hatch in the capillaries.  The first stage larvae migrate into the alveoli and then the trachea.  They are swallowed, enter the intestinal system and are then passed in the faeces.  The intermediate host then becomes infected, which later infects the definitive host.   
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The adults are ovo-viviparous.  The adults lay eggs in the pulmonary arteries.  The eggs then hatch in the capillaries.  The first stage larvae migrate into the alveoli and then the trachea.  They are swallowed, enter the intestinal system and are then past in the faeces.  The intermediate host then become infected, which later infect the definitive host.   
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The larvae the develop into the definitive host, and migrate via the mesenteric lymph nodes, and the blood where they affect the heart, primarily the right ventricle.
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==== Epidemiology ====
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Once restricted to Southern Ireland and Cornwall, this lungworm is spreading across the British Isles and is now endemic in the South-East. The fox may act as a reservoir of infection.
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The larvae then develop in the definitive host, and migrate via the mesenteric lymph nodes, and the blood where they affect the heart, primarily the right ventricle.
 
  
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Adults establish within the pulmonary arterial tree and can lead to pulmonary thrombosis  and pulmonary hypertension. The clinical disease is '''[[Angiostrongylosis]]'''.
 
  
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{{Learning
 
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|literature search = [http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=%22Angiostrongylus+vasorum%22&occuring1=title&rowId=2&options2=AND&q2=&occuring2=freetext&rowId=3&options3=AND&q3=&occuring3=freetext&x=57&y=11&publishedstart=yyyy&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all ''Angiostrongylus vasorum'' publications]
 
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|Vetstream = [https://www.vetstream.com/canis/search?s=nematode Nematodes]
 
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}}
 
  
  
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{{review}}
 
  
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[[Category:Metastrongyloidea]][[Category:Dog_Nematodes]][[Category:To_Do_-_Max]]
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[[Category:Angiostrongylidae]][[Category:Dog_Nematodes]]
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[[Category:Respiratory Parasitic Infections]][[Category:Dog]]
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[[Category:Expert_Review]]
 

Revision as of 16:17, 22 July 2010


 This article is still under construction.


Also known as: Haemostrongylus vasorum

Scientific Classification

Kingdom Animalia
Phylum Nematoda
Class Secernentea
Order Strongylida
Family Metastrongylidae
Genus Angiostrongylus
Species A. vasorum

Hosts

Definitive host: Dogs and foxes. Intermediate host: Mainly snails and slugs.

Identification

The adults are slender, and measure around 2cm in length. The males have a small bursa.

Life Cycle

The adults are ovo-viviparous. The adults lay eggs in the pulmonary arteries. The eggs then hatch in the capillaries. The first stage larvae migrate into the alveoli and then the trachea. They are swallowed, enter the intestinal system and are then past in the faeces. The intermediate host then become infected, which later infect the definitive host.

The larvae the develop into the definitive host, and migrate via the mesenteric lymph nodes, and the blood where they affect the heart, primarily the right ventricle.

Epidemiology

Once restricted to Southern Ireland and Cornwall, this lungworm is spreading across the British Isles and is now endemic in the South-East. The fox may act as a reservoir of infection.

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