Organelle

In cell biology, an organelle is one of several structures with specialized functions, suspended in the cytoplasm of an eukaryotic cell.

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Organelles were historically identified through the use of some form of microscopy and were also identified through the use of cell fractionation.

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A few large organelles probably originated from endosymbiont bacteria:

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• chloroplast
• mitochondrion

Other organelles include:

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• acrosome
• centriole
• endoplasmic reticulum
• golgi apparatus
• lysosome
• myofibril
• plastids
• nucleus
• peroxisome
• ribosome
• vacuole
• vesicle
• melanosome
• cilium/flagellum

Other related structures:

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• cytosol
• endomembrane system
• nucleosome
• microtubule
• cell membrane
Organelle: See also ►



 

Cell biology: Cell biology (also called cellular biology or cytology, from the Greek kytos, "container") is an academic discipline which studies cells. This includes their physiological properties such as their structure and the organelles they contain, their environment and interactions, their life cycle, divisi...

Eukaryotic: REDIRECT Eukaryote...

Cell: A cell is a single unit or compartment, enclosed by a border or wall. A cell is usually part of a larger structure. More specific meanings depend on the context in which the work is used....