View source for Porcelaneous test wall

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==Definition==

*''according to Hottinger (2006):''

'''PORCELANEOUS TEST WALL''' is composed of optically cryptocrystalline lathes and rods or needles of calcite produced in Golgi vesicles within the protoplast and transported through the cell wall by exocytosis to the site of wall construction. Rods arranged randomly, lathes arranged in a tile-roof pattern and forming the outer wall-layer. Wall imperforate, but may possess pits.


==See also==
* [[cell wall]]
* [[exocytosis]]
* [[Golgi body]]
* [[imperforate]]
* [[pits]]

  
==References==

Hottinger (2006), [http://paleopolis.rediris.es/cg/CG2006_M02/index.html Illustrated glossary of terms used in foraminiferal research]. [http://paleopolis.rediris.es/cg/uk-index.html Carnets de Géologie], [http://paleopolis.rediris.es/cg/CG2006_M02/index.html Memoir 2], ISSN 1634-0744.

                  

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