Z line

noun

Definition of Z line

: any of the dark thin bands across a striated muscle fiber that mark the junction of actin filaments in adjacent sarcomeres

First Known Use of z line

1916


Medical Dictionary

Z line

noun

medical Definition of Z line

: any of the dark bands across a striated muscle fiber that mark the junction of actin filaments in adjacent sarcomeres

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of very fine texture or delicate form

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