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)]]
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[[Image:vvv|thumb|right|300px| <font size="2">'''Fig. 1.''' The aperture and the apertural face (coloured pink) in a biserial form - ''Textularia'' aff. ''goesi'' Cushman. SEM graphs of specimens from the Gulf of Aqaba, Red Sea. Recent. '''A-B''': Apertural (A) and peripheral (B) views of an intact specimen. Note the smooth surfaces characteristic of the faces of many agglutinated forms. '''a''': aperture; '''af''': apertural face; '''sut''': (chamber) suture (from [http://paleopolis.rediris.es/cg/CG2006_M02/index.html Hottinger 2006] 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).

Revision as of 11:02, 3 November 2006