[Ontology-editors] constituent part

[Jane Lomax]

Chris - I don't think 'constituent part' has any special meaning in 
these defs - we could drop it. The reasoner is right to throw up those 
"rhoptry lumen" relationships - they are dodgy, how can it be both a 
cell part and extracellular?

Jane

Chris Mungall wrote:
> We use the phrase "constituent part" in (almost) all the "X part" 
> terms; e.g.:
>
> axoneme part [DEF: "Any constituent part of an axoneme, the bundle of 
> microtubules and associated proteins that forms the core of cilia and 
> flagella in eukaryotic cells and is responsible for their movements."]
>
> What exactly does "constituent" mean here?
>
> I recall being part of the discussion that lead to this, but can't 
> find the relevant emails. Did we just import this term from the FMA? 
> It seems to have a specific meaning in anatomy. I can't really find a 
> solid definition in the FMA papers.
>
> I don't see anything in the component docs either.
>
> I think we should either document this or drop it
>
> Here's why I'm interested - I define X part generically as a cellular 
> component that is part_of X.
>
> This means the reasoner throws up:
>
>     "rhoptry lumen" [GO:0034591] is_a "extracellular region part" 
> [GO:0044421]
>     "rhoptry lumen" [GO:0034591] is_a "cell part" [GO:0044464]
>
> Is there something subtle in the "constituent" qualifier that is 
> missing from my xp definition, that simultaneously excludes the above 
> links?
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-- 
Dr Jane Lomax                                                                                                          
GO Editorial Office                                                                                                    
EMBL-EBI                                                                                                               
Wellcome Trust Genome Campus                                                                                           
Hinxton                                                                                                                
Cambridgeshire, UK                                                                                                     
CB10 1SD                                                                                                               
                                                                                                                       
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