Medical Definition Myelin Sheath

Myelin Sheath: What It Is, Purpose & Function

https://my.clevelandclinic.org/health/body/22974-myelin-sheath

A myelin sheath is a sleeve (sheath) that’s wrapped around each nerve cell (neurons). It’s a protective layer of fat (lipids) and protein that coats the main “body” section of a neuron called the axon. What are the parts of a nerve cell? A nerve cell is called a neuron. …

Multiple sclerosis - Symptoms and causes - Mayo Clinic

https://www.mayoclinic.org/diseases-conditions/multiple-sclerosis/symptoms-causes/syc-20350269

Myelin sheath Definition & Meaning - Merriam-Webster

https://www.merriam-webster.com/dictionary/myelin%20sheath

myelin sheath. noun. : the insulating covering that surrounds an axon with multiple spiral layers of myelin, that is discontinuous at the nodes of Ranvier, …

Myelin Sheath: What They Are, Their Function,

https://www.webmd.com/multiple-sclerosis/myelin-sheath-facts

Myelin sheaths are sleeves of fatty tissue that protect your nerve cells. These cells are part of your central nervous system, which carries messages back and forth between your …

Myelin sheath | definition of myelin sheath by Medical …

https://medical-dictionary.thefreedictionary.com/myelin+sheath

myelin sheath or medullated nerve fibre a sheath of fatty substance associated with protein which surrounds larger nerve fibres of vertebrates. see DENDRITE. The …

Myelin Definition & Meaning - Merriam-Webster

https://www.merriam-webster.com/dictionary/myelin

noun. my· e· lin ˈmī-ə-lən. : a soft white material that forms a thick layer around the axons of some neurons and is composed chiefly of lipids (such as cerebroside and …

Myelin | definition of myelin by Medical dictionary

https://medical-dictionary.thefreedictionary.com/myelin

myelin [ mi´ĕ-lin] the lipid substance forming a sheath (the myelin sheath) around the axons of certain nerve fibers; it is an electrical insulator that serves to speed the …

Myelin sheath: Myelination, function, clinical …

https://www.kenhub.com/en/library/anatomy/the-myelin-sheath-and-myelination

Myelination is the formation of a myelin sheath. Myelin sheaths are made of myelin, and myelin is produced by different types of neuroglia: oligodendrocytes …

Demyelinating disease: What can you do about it?

https://www.mayoclinic.org/diseases-conditions/multiple-sclerosis/expert-answers/demyelinating-disease/faq-20058521

A demyelinating disease is any condition that causes damage to the protective covering (myelin sheath) that surrounds nerve fibers in your brain, the nerves leading to …

Myelin sheath Definition & Meaning | Dictionary.com

https://www.dictionary.com/browse/myelin-sheath

myelin sheath 📓 High School Level noun Anatomy. a wrapping of myelin around certain nerve axons, serving as an electrical insulator that speeds nerve impulses to muscles …