epidermal long cell definition

[Pankaj Jaiswal]

Hi Toby,

Many thanks for your inputs.

Others,

If there are no more comments, I would like to add these terms in the 
ontology.

Pankaj

kellogge wrote:

> I think this was one of those "wait-until-we-need-it" terms.  Grass  
> epidermes have long cells and short cells in the epidermis, so we  
> should probably introduce both terms.  They will be children of  
> "epidermal cell".
> 
> "long cell" = a more or less rectangular epidermal cell in which the  
> the proximo-distal dimension is several times longer than the  
> transverse dimension
> 
> "short cell" = an isodiametric epidermal cell
> 
> "epidermal cork cell" is an instance of "short cell"
> 
> Comment (for both cell types): In the leaf epidermis of Poaceae and  
> Joinvilleaceae, long cells and short cells often alternate in  
> longitudinal rows.
> 
> Toby
> 
> On May 9, 2006, at 7:59 PM, katica at acoma.Stanford.EDU wrote:
> 
>> Pankaj,
>>
>> You can find a short but good description in
>>
>> Silicified Cells of Grasses: A Major Source of Plant Opal in Illinois
>>
>> http://web.aces.uiuc.edu/vista/pdf_pubs/silcell.pdf
>>
>> See the paragraph 'Kinds of epidermal cells'.
>>
>> We briefly discussed different types of epidermal cells in grasses  
>> when we introduced 'epidermal cork cell', but at that time, we ended  
>> up adding only a type of short cell in  epidermis, 'cork cell (sensu  
>> Poaceae)'. Later, we changed the name to 'epidermal cork cell'
>>
>> Katica
>>
>>
>> On Tue, 9 May 2006, Pankaj Jaiswal wrote:
>>
>>> fno.neeru at yale.edu wrote:
>>>
>>>> Hi Pankaj,
>>>> We had met at the PAG conference last year. I have a question  
>>>> regarding the
>>>> correct ontology for the rice epidermal cells called long cells. I  
>>>> am not able
>>>> to find it on the website may be you or someone from your group can  
>>>> help me. We
>>>> need to add that link to our website of LCM harvested cells.
>>>> Thanks
>>>> Neeru
>>>
>>>
>>>
>>> Dear Neeru,
>>>
>>> Can you provide some images and the literature which our experts can  
>>> review.
>>>
>>> Pankaj
>>>
>>