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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
orifice +    
anus 
cervical os +  
cloacal vent 
esophageal hiatus 
femoral pore 
fourth ventricle aperture +  
gastropod genital pore 
gustatory pore 
helicotrema 
lacrimal punctum 
naris +  
nephrostome 
neuropore +  
oral opening +  
orifice of skull +  
palpebral fissure 
periurethral tissue +  
piriform aperture 
umbilical ring 
urethra +  
urethral opening +  
An orifice that is part of a lower urinary tract.
urinary bladder +  
vagina orifice 

Synonyms
Exact Synonyms: urethral orifice
Xrefs: EMAPA:35965 ;   MA:0002867
Definition Sources: OBOL:automatic

paths to the root