MYELIN SHEATH


Meaning of MYELIN SHEATH in English

Anat.

a wrapping of myelin around certain nerve axons, serving as an electrical insulator that speeds nerve impulses to muscles and other effectors. See diag. under neuron .

[ 1895-1900 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .