Vermes. Nemathelminthes. Acanthocephali
Description
Phylum Acanthocephala
All acanthocephalans are endoparasitic, living as adults in the intestine of aquatic and terrestrial Vertebrates; larvae develop in arthropods, either crustaceans or insects (intermediate hosts).
1, 2) Adult with a retractile proboscis, which bears rows of recurved hooks. Two elongated hydraulic sacs (lemnisci) facilitate the extension of proboscis. Reproductive system is evident.
Eggs (7, 8) and different stages of embryonic and larval development.
Format
image/jpeg (817.56 kB)
Subject
• Zoologia, Vermi, Tavola didattica
Object languages:
GermanSources
• Cassettiera B - 7
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