Changes

[[Image:Strongyloides larvae.jpg|thumb|right|150px|''Strongyloides'' larvae - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]

[[Image:Strongyloides larvae.jpg|thumb|right|150px|''Strongyloides'' larvae - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]

[[Image:Strongyloides.jpg|thumb|right|150px|''Strongyloides'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]

[[Image:Strongyloides.jpg|thumb|right|150px|''Strongyloides'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]

*Bursate.

*Bursate

*Relatively short (typically 1-5cm) but stout.

*Relatively short (typically 1-5cm) but stout

*Heads often have characteristic features.

*Heads often have characteristic features

 

== General Life-Cycle ==

== General Life-Cycle ==

Like that of the trichostrongyloids (eggs are also 'typical strongyle eggs'), but:

*Like that of the trichostrongyloids (eggs are also 'typical strongyle eggs'), but:

*L3 → L4 → adult (typically occurs in the large intestine).

**L3 → L4 → adult (typically occurs in the large intestine)

*Larvae penetrate into mucosal wall and elicit nodule formation.

**Larvae penetrate the mucosal wall and elicit nodule formation

*Larvae of some species migrate around the body.

**Larvae of some species migrate around the body

*Prepatent period varies between species from 3weeks to 6+ months.

**Prepatent period varies between species from 3 weeks to over 6 months

 

 

 

 

 

 

[[Strongylus vulgaris]]

[[Strongylus vulgaris]]