Difference between revisions of "Aperture"
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− | APERTURE 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]] | + | APERTURE - 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]] |
The primary opening of the foraminiferal shell cavity towards the ambient environment. May be covered by subsequent chambers and thus transformed into a foramen. May be masked (see mask). May be single or multiple. | The primary opening of the foraminiferal shell cavity towards the ambient environment. May be covered by subsequent chambers and thus transformed into a foramen. May be masked (see mask). May be single or multiple. |