In today’s post, we will read in detail Smooth er Definition, Structure and Function in Endoplasmic Reticulum.
Define Smooth er
The smooth endoplasmic reticulum, or smooth ER, is an organism that occurs in the cells of both animals and plants. A particular type of organelle is a sub-unit within a cell that has a particular function.
The important function of smooth ER is to make cellular products such as hormones and lipids. Smooth ER regulates and processes calcium ions and processes toxins. To distinguish it from the ER, it is termed as ‘smooth’, with a special type of ribosome for protein synthesis on its surface.
Each organ in the cytoplasm of a cell performs a certain function. Smooth ERs manufacture different products for each cell.
The Smooth Endoplasmic Reticulum consists of a long network with a folded, tube-like structure. The interior of the smooth ER is known as the lumen, which is joined by phospholipid membranes.
The number of smooth ER units in a cell depends on the cell type. These units occur in the cytoplasm, a gel-like substance inside a cell, associated with a unit of the stomatal endoplasmic reticulum. While smooth and rough ERs are interconnected, they can be distinguished by the presence and absence of ribosomes on the shape and surface.
- what does smooth er do
The main function of the Smooth Endoplasmic Reticulum is the synthesis of phospholipid and cholesterol and the synthesis and repair of membranes. And some tissue-specific functions are also included. In the liver, SER contains a large amount of cytochrome P450. In muscle, the SER is known as the sarcoplasmic reticulum and stores and processes calcium ions necessary for muscle contraction.
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