Question

what is sheath?? min..10 points please but in short??

Answer 1

myelin sheath

(Science: anatomy, neurology) An insulating layer surrounding vertebrate peripheral neurons, that dramatically increases the speed of conduction. It is formed by specialised schwann cells, that can wraparound neurons up to 50 times. The exposed areas are called nodes of Ranvier: they contain very high densities of sodium channels and action potentials jumpfrom one node to the next, without involving the intermediate axon, a process known as saltatory conduction. A layer of myelin encasing (and insulating) the axons of medullated nerve fibers.A layer of [[ phosphoplipids that surrounds nerve fibres.

Answer 2

Hey..mate here is yur ans..
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⏩ sheath ⏪

⏩ In the form of sheath it is found...➡

⏩ In skeleton muscles.

⏩ In blood vessels.

⏩ in lungs.

⏩ In branchoids.

⏩ True vocal chords.

⏩ In larynx, trachea.

⏩ In capsule of spleen.

⏩ In legamenta.

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