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[[File:Fig.75A-B.png|thumb|<font size="2">'''Fig. 1.''' The pore and its organic constituents. '''A:''' a pore in an inner chamber covered by an outer whorl, according to Leutenegger (1977), schematic, not to scale. '''B:''' Accumulation of mitochondria below a pore mouth in ''Bolivina sp.'', thus indicating the pores' main function: gas exchange. TEM micrograph of a section oblique to the surface ot the wall that exaggerates the thickness of the pore discs. The detachment of the outer lamella 2 (ouL 2) is an artifact of preparation. x 24,000. Courtesy S. Reber-Leutenegger; Hottinger, 2006; fig. 75 A-B [http://paleopolis.rediris.es/cg/CG2006_M02/index.html] '''CC'''/BY-NC-SA)]] __FORCETOC__ ==Definition== *''according to Hottinger (2006):'' '''BASAL DISC''' - the thickened but porous extension of the median layer in the proximal pore cavity that is part of the pore plug. ==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 Leutenegger (1977), Ultrastructure de Foraminifères perforés et imperforés ainsi que de leur symbiotes, Cahiers de Micropaléontologie, Paris, fasc. 3-1977, 52 p. + 54 pls. | [[Foraminifera]] | [[EForams-LINKS|FORAM-Links]] | [[CONTRIBUTORS|Contributors]] |
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