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18-07-2013 15:15

Michel RIMBAUD

Bonjour,Je sollicite votre aide pour mettre un nom

31-07-2013 04:15

Danny Newman Danny Newman

Mushroom Observer's Scutellinia pages have been ve

04-08-2013 00:47

Joop van der Lee Joop van der Lee

Found on cow dung.Neck with excostratum and hairs

04-08-2013 11:36

Marja Pennanen

Hello forum,remnants of Potentilla palustris leave

03-08-2013 16:04

Peter Thompson

Hello Everyone,I have found a sample of an immerse

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Yannick Mourgues Yannick Mourgues

I'm looking for these two documents. The first one

01-08-2013 13:56

Peter Thompson

Hello Everyone,I recently found a species of Lepto

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Bonjour à tous,J'ai sur Berberis un Melanomma ave

31-07-2013 19:30

ANDRE FEVRIER ANDRE FEVRIER

4 ascomes à la base d'une tige morte de Typha pla

30-07-2013 23:47

Salvador Tello

Hola.Este hongo hasta de  4 mm  lo encontré sob

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Terminology?
Viktorie Halasu, 10-10-2018 23:11
Viktorie HalasuHello forum,

I would like to ask how to call correctly a preparate that wasn't cut radially, from margin to centre, but on the secant - a thin section of the surface layer. It has its use e.g. in Scutellinia where you get bigger sample of the hairs and yet the section is thin enough to clearly see the hair roots (if you place it hairs down). Unlike "radius - radial", there doesn't seem to be an adjective from "secant", only adverb. I'm looking for something short to use in image descriptions, like "radial section" vs. "xxxx section". Would "secant section" make any sense to you, or is it a nonsense in english? 

Thank you in advance for any help. 
Viktorie
Stip Helleman, 10-10-2018 23:33
Stip Helleman
Re : Terminology?
Hi Viktorie,

I would use the term "parallel (to / with) the surface" for such a section

regards,

Stip
Chris Yeates, 12-10-2018 03:01
Chris Yeates
Re : Terminology?
Stip's is a good suggestion. I think "tangential section" would also cover what you are intending.

Chris
Viktorie Halasu, 13-10-2018 13:02
Viktorie Halasu
Re : Terminology?
Thank you both.
"Tangential section" is what I've been actually using in my notes, but it's not correct (it's a secant, not tangent). But if nothing better appears, I'll probably use one of your suggestions.

Viktorie 
Martin Bemmann, 13-10-2018 20:33
Martin Bemmann
Re : Terminology?
Hi Viktorie,

I would follow the terminology used also in wood sections. In your case it would be tangential, even if it is in fact a secant in geometry. It describes the direction only of the cut. See this examples:



(cross section = transverse section)

Best regards

Martin
Viktorie Halasu, 13-10-2018 21:15
Viktorie Halasu
Re : Terminology?
Hello Martin,
oh of course, I forgot about wood sectioning, that's a good terminological precedent.
Thank you.
Viktorie