sheath
- noun
- /ʃiːθ/
- Specialized
- The nerve is ordinarily surrounded by a bony sheath called the fallopian canal.
- nerve sheath
- peripheral nerve sheath
- myelin sheath
The way that myelin sheaths wrap around the neurology, neurology.
- The way that myelin sheaths wrap around the neurology, neurology.
- And then the third part is myelination, which you're right, is a fatty sheath that coats some neural pathways.
- Well, it's because the way that myelin sheaths lay down, the way that our brains work, is that it's really quite hard to atrophy connections in the brain once they're made.
- You need You need cholesterol for your axons and your myelin sheaths.
- There's no research to support that your neurons, your cell membranes, and your myelin sheaths are all made out of fat.
Examples
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We also had to remove a good amount of the sheath tissue around the sciatic nerve.
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The protective sheath surrounding the plant's stem helps it retain moisture.
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It's like nature, all animals have sheaths.
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And I notice there's a very slight break in the sheath here as well.
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Your own immune system is attacking the nerve sheath on the axons in your brain.
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Surrounding the Axon is a myelin sheath, which is actually just insulation.
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Oligodendrocytes form a sheath around nerve fibers to improve signal transmission.
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The outer sheath of the muscle fibers provides structural support and protection.
Synonyms
A box or container for holding and carrying things like bottles
A fatty layer around nerve fibers that helps signals travel fast
A protective case that covers parts of plants and animals, like an insect pupa
A layer of tissue that covers an organ or body part
Compounds
- Specialized
A thin fatty layer that covers nerve fibers and helps signals travel faster
- Specialized
A row of long metal or concrete posts placed side by side to hold back soil and water
How Protective
Surface Forms
Etymology
Sheath is also used for a thin 'cover' around a plant part or an organ, using the same idea as the blade case. So a leaf or nerve sheath is a layer that surrounds and protects the part inside.