Mitosis and cytokinesis, light micrograph

Numéro d’image : 13755893
Mitosis and cytokinesis, light micrograph
Fluorescent light micrograph of cells showing the stages of mitosis (nuclear division) and cytokinesis (cell division). Mitosis is the formation of two daughter nuclei from one parent nucleus. Fluorescent markers have been used to highlight DNA (deoxyribonucleic acid, pink) and alpha tubulin (green), a component of microtubules. The cycle progresses clockwise from bottom centre where the cell is in interphase and its nucleus clearly visible. At prophase, the nuclear envelope dissolves and the chromosomes condense. The cell progress through prometaphase to metaphase, where the chromosomes align along the centre of the cell. The chromosomes start to move to the opposite poles, guided by microtubules, during anaphase. The last stage of mitosis is telophase, when the separated chromosomes have moved to opposite ends of the cell and two new nuclei form around them. Cytokinesis divides the cytoplasm of the cell in two, separating the cells.
Licence : Droits gérés
Crédit: Science Photo Library / DR. JUAN F. GIMENEZ-ABIAN
Taille de l’image : 3789 px × 2303 px
Model Release : Non requis
Property Release : Non requis
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