Centriole

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Centriole

Centriole (/sɛnˈtraɪoʊl/), from the Latin centrum meaning center and -ole meaning small, is a cylindrical cellular structure present in most eukaryotic cells, though absent in higher plants and most fungi.

Structure

A centriole is a small set of microtubules arranged in a specific way. There are nine groups of microtubules. When two centrioles are found next to each other, they are usually at a right angle. The centrioles are found in pairs and move towards the poles of the nucleus when it is time for cell division.

Function

Centrioles play a crucial role in the process of mitosis, meiosis, and cytokinesis. They are involved in the organization of the microtubules in the cytoplasm. The positioning of the centrioles determines the plane of cell division. Centrioles also help in the formation of cilia and flagella.

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