Schwann Cells : Structure, Function, and Their Role in the Nervous System | Glial cells

Dive into the fascinating world of Schwann cells with this detailed lecture! Schwann cells, essential components of the peripheral nervous system, play a pivotal role in forming myelin sheaths around axons, ensuring efficient nerve signal transmission. In this video, we explore:

The structure and types of Schwann cells.
Their functions, including myelination and nerve regeneration.
The difference between myelinated and unmyelinated Schwann cells.
Their role in conditions like Guillain-Barré syndrome and Charcot-Marie-Tooth disease.
Join us for this insightful session and strengthen your understanding of these critical nervous system cells. Perfect for medical students, researchers, and enthusiasts!

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Schwann cells, myelination, peripheral nervous system, nerve regeneration, unmyelinated Schwann cells, myelinated Schwann cells, Guillain-Barré syndrome, Charcot-Marie-Tooth disease, axon myelination, Schwann cell structure, Schwann cell function, nervous system cells, Novice Medic, medical education, myelin sheath formation

Scientific discovery isn't as simple as one good experiment. The weird and wonderful history of cell theory illuminates the twists and turns that came together to build the foundations of biology.
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Schwann cells | Myelination | Schwann cells vs Oligodendrocytes | USMLE step 1 | Neurology . Dive into the world of neurology with this concise video on Schwann cells and myelination, crucial for nerve function. Explore the key differences between Schwann cells and oligodendrocytes, essential for USMLE Step 1 success. Enhance your understanding of Schwan cells in just 5 minutes.
This video explains what Schwann cells are and what their function is concerning the transmission of stimuli in the nervous system. Nerve cells of the PNS that are sheathed with Schwann cells are able to transmit signals faster due to saltatory conduction.
discussing the anatomy and function of glial cells. The glial cells being discussed throughout this lecture will be including astrocytes, satellite cells, oligodendrocytes, Schwann cells, ependymal cells, and microglia. We will also briefly discuss the anatomy and function of the blood brain barrier and how glial cells function to maintain this intricate system. We hope you enjoy this lecture and be sure to support us below!
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Oligodendrocyte vs Schwann cells. Discover the fascinating world of neural support cells in this concise video. Learn how oligodendrocytes and Schwann cells differ in their myelination roles, locations in the body, and their vital contributions to signal transmission. Dive into the science of the central and peripheral nervous systems!

Explore the intricate process of myelination in peripheral nerves, focusing on Schwann cells, the role of myelin in nerve conduction, and its clinical significance. This guide is tailored for MBBS students, offering a clear understanding of nerve physiology and its applications in medical practice.

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Myelin is an insulating layer that surrounds the axons of neurons. Composed primarily of lipids, myelin helps to prevent action potentials, which are the electrical signals that travel along axons, from decaying due to electrical current leaking out through the axonal membrane. Myelinated axons thus conduct action potentials more quickly and efficiently than unmyelinated axons, and because of this many neurons in the nervous systems are myelinated.


Myelin is formed by glial cells, but the particular type of glial cell responsible for myelinating axons is different in the peripheral and central nervous systems. In the peripheral nervous system, glial cells called schwann cells form myelin. Each schwann cell wraps around one segment of an axon many times to form one internode. In the central nervous system, oligodendrocytes form myelin. One oligodendrocyte can produce dozens of internodes on multiple axons.

Because myelin is white, myelinated axons appear white and make up what is known as the white matter of the brain.