Difference between revisions of "Accessory aperture"
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| − | [[Image:LH001_aperture.jpg|thumb|right|300px| <font size="2">'''Fig. 1.''' Accessory aperture in bulla of ''Globigerinita glutinata'' (Egger). SEM graph from Hottinger et alii, 1993. '''aca''': accessory aperture; '''bu''': bulla; '''ch''': ordinary spiral chamber (from [http://paleopolis.rediris.es/cg/CG2006_M02/index.html Hottinger 2006] with permission from the author)]] | + | [[Image:LH001_aperture.jpg|thumb|right|300px| <font size="2">'''Fig. 1.''' Accessory aperture in bulla of ''Globigerinita glutinata'' (Egger). SEM graph from Hottinger et alii, 1993. '''aca''': accessory aperture; '''bu''': bulla; '''ch''': ordinary spiral chamber (from [http://paleopolis.rediris.es/cg/CG2006_M02/index.html Hottinger 2006], fig. 1 with permission from the author)]] |
'''Accessory [[aperture]]''' (infralaminal aperture, auct.) - aperture that does not lead directly into the main chamber lumen, but extends beneath accessory structures (e.g. in bullae). | '''Accessory [[aperture]]''' (infralaminal aperture, auct.) - aperture that does not lead directly into the main chamber lumen, but extends beneath accessory structures (e.g. in bullae). | ||
