File:Phagocytose Entamoeba gingivalis-PMN.ogv
Phagocytose_Entamoeba_gingivalis-PMN.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 1 min 58 s, 640 × 480 pixels, 1.03 Mbps overall, file size: 14.49 MB)
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Summary
[edit]DescriptionPhagocytose Entamoeba gingivalis-PMN.ogv |
Français : L'activité principale de l'amibe Entamoeba gingivalis dans les crevasses parodontales infectées, en plus de se déplacer, consiste à se nourrir des noyaux des globules blancs polymorphonucléaires neutrophiles. Suite a l'adhésion du PMN et à son engourdissement, l'amibe pénètre le cytoplasme pour atteindre le noyau et littéralement succionner son contenu via la pression négative du pseudopode. Sa nourriture ainsi ingurgitée est digérée progressivement a l'intérieur de l'endoplasme. Cette activié peut parfois se poursuivre pour plus de 20 noyaux ingurgités. Cette activité laisse en place un PMN dénuclé, incapable d'accomplir son apoptose préprogrammée et probablement son activité NETS, qui sera déversé sur les tissus environnants entrainant des enzymes protéolytiques à partir des restes de cette cellule fantôme des lors hors controle et capable alors de destruction cellulaire. |
Date | |
Source | Own work |
Author | Mark Bonner dmd, Institut International de Parodontie, www.parodontite.com |
Mark Bonner dmd Institut International de Parodontie www.parodontite.com
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This file was selected as the media of the day for 07 January 2014. It was captioned as follows:
English: Amoeba Entamoeba gingivalis feeds on the nuclei of white blood cells.
Other languages
English: Amoeba Entamoeba gingivalis feeds on the nuclei of white blood cells. 中文(简体):一变形虫(Entamoeba gingivalis)通过伪足移动细胞内容物
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:37, 21 December 2013 | 1 min 58 s, 640 × 480 (14.49 MB) | Mark Bonner dmd (talk | contribs) | User created page with UploadWizard |
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