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Ontology Browser

Parent Terms Term With Siblings Child Terms
paranasal sinus +    
ethmoid sinus 
frontal sinus +  
infraorbital sinus 
An air-filled recess in the head of birds which lies lateral to the nasal cavity into which it opens.
maxillary sinus 
sphenoidal sinus 

Exact Synonyms: sinus infraorbitalis
Definition Sources:

paths to the root