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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
organismal segment +    
annelid peristomium 
annelid pygidium 
haltere 
insect abdominal segment +  
insect adult segment +  
insect embryonic segment +  
insect head segment +  
insect larval segment +  
insect thoracic segment +  
parapodium 
prostomium 
The first body segment in annelids worms. It is in front of (but does not include) the mouth, being usually a small shelf- or lip-like extension over the dorsal side of the mouth.

Synonyms
Related Synonyms: acron
Xrefs: BTO:0004198 ;   Wikipedia:Prostomium
Definition Sources: Wikipedia:Prostomium

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