[go] otolith mineralization

[Jennifer Deegan (nee Clark)]

Hi Ev,

Thanks, yes that's what Doug said. The information we are after is 
whether non-fish ones, for example in mammals, also grow throughout life.

Jen

camon at ebi.ac.uk wrote:

>Hi Jen,
>
>I used to slice otoliths when I worked for the dept. of marine many moons
>ago. You can read Otoliths like the rings of a tree to age fish. They are
>used for growth determination and to determine fishing quotas.
>
>I'm no expert on their mineralization but I think it happens throughout
>their life.
>
>Evelyn
>
>  
>
>>Jen,
>>
>>I think the initial mineralization only takes place once.
>>
>>
>>David
>>
>>
>>Jennifer Deegan (nee Clark) wrote:
>>    
>>
>>>Hi,
>>>
>>>Does anybody know if the otoliths of taxa under Tetrapoda continue to
>>>grow throughout the life of the organism? We need to figure this out
>>>in order to better define some of the old sensu terms.
>>>
>>>otolith mineralization (sensu Tetrapoda)
>>>
>>>def: The formation of otoconia by precipitation of specific crystal
>>>forms of calcium carbonate around an organic core of extracellular
>>>matrix proteins. Otoconia are small (~10 micron) dense extracellular
>>>particles present in the otolith end organs of the vertebrate inner
>>>ear. As in, but not restricted to, the tetrapods (Tetrapoda,
>>>ncbi_taxonomy_id:32523).
>>>
>>>Thanks,
>>>
>>>Jen
>>>
>>>
>>>      
>>>
>>    
>>
>
>
>  
>


-- 
Jennifer Deegan nee Clark
EMBL-European Bioinformatics Institute
Gene Ontology Consortium