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Pathways

Ontology Browser

Term:
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annelid peristomium 
The peristomium is the second body segment in an annelid worm's body in the anterior end. It is directly behind the prostomium and contains the mouth, tentacular cirri, and sometimes feeding palps, which may instead occur on the prostomium. If an eversible pharynx is present, it is contained in this segment as well, and can fill up to 20 segments when inverted, depending on the species.
annelid pygidium 
haltere 
insect abdominal segment +  
insect adult segment +  
insect embryonic segment +  
insect head segment +  
insect larval segment +  
insect thoracic segment +  
parapodium 
prostomium 

Synonyms
Broad Synonyms: peristomium
Xrefs: Wikipedia:Peristomium
Definition Sources: Wikipedia:Peristomium

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