Z line

a cross-striation bisecting the I band of striated muscle myofibrils and serving as the anchoring point of actin filaments at either end of the sarcomere. Synonym(s): intermediate disc, Z band, Z disc

Z line

n. Any of the dark thin protein bands to which actin filaments are attached in a striated muscle fiber and that mark the boundaries of adjoining contractile units.

Z line

(līn) A cross-striation bisecting the I band of striated muscle myofibrils and serving as the anchoring point of actin filaments at either end of the sarcomere.
Synonym(s): Z band.

Z line

The structure delimiting each end of the sarcomere in striated muscle. It gives anchorage to titin and to the outer ends of the thin filaments.

单词	z line
释义	Z line Z line n. Any of the dark thin protein bands to which actin filaments are attached in a striated muscle fiber and that mark the boundaries of adjoining contractile units. Z line Z line [′zē ‚līn] (histology) The line formed by attachment of the actin filaments between two sarcomeres. Z line Z line a cross-striation bisecting the I band of striated muscle myofibrils and serving as the anchoring point of actin filaments at either end of the sarcomere. Synonym(s): intermediate disc, Z band, Z disc Z line n. Any of the dark thin protein bands to which actin filaments are attached in a striated muscle fiber and that mark the boundaries of adjoining contractile units. Z line (līn) A cross-striation bisecting the I band of striated muscle myofibrils and serving as the anchoring point of actin filaments at either end of the sarcomere. Synonym(s): Z band. Z line The structure delimiting each end of the sarcomere in striated muscle. It gives anchorage to titin and to the outer ends of the thin filaments. LegalSeeLineFinancialSeelineThesaurusSeemyofibril
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