Endoplasmic Reticulum
Endoplasmic Reticulum
The Endoplasmic Reticulum (pronounced: en-doh-plaz-mik reh-tik-yoo-lum), often abbreviated as ER, is an organelle found in the cells of eukaryotic organisms. The term "endoplasmic reticulum" is derived from the Latin words "endo" meaning "within", "plasma" meaning "form or mold", and "reticulum" meaning "a little net".
Structure
The endoplasmic reticulum is a network of tubules, vesicles, and sacs that are interconnected. It is enveloped by a membrane that is continuous with the nuclear envelope. The ER can be categorized into two types: the Rough ER and the Smooth ER, based on their appearance under a microscope.
Function
The endoplasmic reticulum plays a crucial role in various cellular processes. The rough ER is involved in the synthesis and packaging of proteins, while the smooth ER is involved in lipid synthesis, detoxification, and calcium storage.
Related Terms
See Also
External links
- Medical encyclopedia article on Endoplasmic Reticulum
- Wikipedia's article - Endoplasmic Reticulum
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