File:Frontzahn Oberkiefer 20090930 02.JPG
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DescriptionFrontzahn Oberkiefer 20090930 02.JPG | Retzius-Lines; Oberkiefer Frontzahn, Alter: 21 Jahre, starke Abrasion; Retzius-Linien in der vollen Bildauflösung gut zu erkennen: periodische Linien ("Querstreifung"), zurückzuführen auf Mineralisationsunterschiede während der Amelogenese. Der Abstand schwankt von Linie zu Linie zwischen 4 und 150 μm. Die Retziusstreifen beruhen häufiger auf einer Hypomineralisation als auf einer Hypermineralisation. Von struktureller Bedeutung aller temporären Zähne ist die Neonatallinie, die Grenze zwischen prä- und postnatal gebildetem Schmelz. Sie stellt entwicklungsgeschichtlich und ontogenetisch die erste Retziuslinie im laktalen Zahn dar. |
Date | |
Source | Self-photographed |
Author | Politikaner |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:29, 3 October 2009 | 2,848 × 4,272 (4.05 MB) | Politikaner (talk | contribs) | {{Information |Description=Oberkiefer Frontzähne |Source=own picture |Date=August 2009 |Author=Politikaner |Permission=Attribution ShareAlike 3.0 |other_versions= }} {{cc-by-sa-3.0}} Category:Teeth |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
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Camera model | Canon EOS 450D |
Exposure time | 1/100 sec (0.01) |
F-number | f/11 |
ISO speed rating | 800 |
Date and time of data generation | 10:51, 30 September 2009 |
Lens focal length | 33 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 10:51, 30 September 2009 |
Y and C positioning | Co-sited |
Exposure Program | Shutter priority |
Exif version | 2.21 |
Date and time of digitizing | 10:51, 30 September 2009 |
APEX shutter speed | 6.625 |
APEX aperture | 7 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 27 |
DateTimeOriginal subseconds | 27 |
DateTimeDigitized subseconds | 27 |
Color space | sRGB |
Focal plane X resolution | 4,876.7123287671 |
Focal plane Y resolution | 4,865.6036446469 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |