Difference between revisions of "Strongyloidea"
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| + | {{toplink | ||
| + | |backcolour = | ||
| + | |linkpage =Parasites | ||
| + | |linktext =PARASITES | ||
| + | |pagetype=Bugs | ||
| + | |sublink1=Nematodes | ||
| + | |subtext1=NEMATODES | ||
| + | }} | ||
| + | <br> | ||
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| + | == General Appearance == | ||
| + | |||
| + | *Bursate | ||
| + | *Large buccal capsule | ||
| + | *Relatively short (typically 1-5cm) but stout | ||
| + | *Heads often have characteristic features - teeth or cutting plates | ||
| + | |||
| + | == General Life-Cycle == | ||
| + | *Like that of the trichostrongyloids (eggs are also 'typical strongyle eggs'), but: | ||
| + | **L3 → L4 → adult (typically occurs in the large intestine) | ||
| + | **Larvae penetrate the mucosal wall and elicit nodule formation | ||
| + | **Larvae of some species migrate around the body | ||
| + | **Prepatent period varies between species from 3 weeks to over 6 months | ||
| + | |||
| + | [[Strongylus vulgaris]] | ||
| + | |||
| + | [[Peritoneal Cavity Inflammatory - Pathology#In sheep|Peritonitis in sheep]] by penetration of intestines by larvae of ''Oesophagostomum columbianum'' | ||
| + | |||
| + | ''Strongylus edentatus'' and ''Strongylus equinus'' migrate through [[Peritoneal Cavity Parasitic - Pathology]] | ||
| + | |||
| + | ''Stephanuris dentatus'' causes peritonitis in pigs [[Peritoneal Cavity Parasitic - Pathology]] and may cause cysts in the [[Pancreas Parasitic - Pathology|pancreas]] | ||
| + | |||
| + | ''Syngamus laryngeus'' in [[Respiratory Parasitic Infections - Pathology#Syngamus laryngeus|larynx]] of cattle | ||
Revision as of 10:36, 26 April 2010
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This article is still under construction. |
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General Appearance
- Bursate
- Large buccal capsule
- Relatively short (typically 1-5cm) but stout
- Heads often have characteristic features - teeth or cutting plates
General Life-Cycle
- Like that of the trichostrongyloids (eggs are also 'typical strongyle eggs'), but:
- L3 → L4 → adult (typically occurs in the large intestine)
- Larvae penetrate the mucosal wall and elicit nodule formation
- Larvae of some species migrate around the body
- Prepatent period varies between species from 3 weeks to over 6 months
Peritonitis in sheep by penetration of intestines by larvae of Oesophagostomum columbianum
Strongylus edentatus and Strongylus equinus migrate through Peritoneal Cavity Parasitic - Pathology
Stephanuris dentatus causes peritonitis in pigs Peritoneal Cavity Parasitic - Pathology and may cause cysts in the pancreas
Syngamus laryngeus in larynx of cattle