File:Down syndrome video.webm
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Original file (WebM audio/video file, VP9/Opus, length 10 min 49 s, 1,814 × 1,020 pixels, 971 kbps overall, file size: 75.12 MB)
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English: What is Down syndrome (trisomy 21)? Down syndrome is a set of symptoms that arise from a genetic abnormality, in which an individual's cells have an extra copy of chromosome 21. This video covers the three main mechanisms leading to trisomy 21—nondisjunction, Robertsonian translocation, and mocaicism, as well as the more common complications and physical characteristics. |
| Date | |
| Source | open.osmosis.org |
| Author | Osmosis |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:57, 18 August 2016 | 10 min 49 s, 1,814 × 1,020 (75.12 MB) | OsmoseIt (talk | contribs) | The previous version stated that nuchal translucency via ultrasound is seeing how much "light" passes through the neck. This is technically incorrect, as ultrasound uses reflected sound waves to generate images. | |
| 21:12, 22 March 2016 | 10 min 53 s, 1,814 × 1,020 (75.51 MB) | OsmoseIt (talk | contribs) | User created page with UploadWizard |
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