sarcomere

NOUN
  1. one of the segments into which a myofibril is divided
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How To Use sarcomere In A Sentence

  • Desmin is an abundant cytoskeletal protein in skeletal muscle, forming intermediate filaments concentrated at the Z-disks of the sarcomeres.
  • Inhibition of calpain prevents muscle weakness and disruption of sarcomere structure during hindlimb suspension. SpaceRef Top Stories
  • Thin filaments in muscle sarcomeres are anchored at the Z-disk by the cross-linking protein α-actinin (gold) and are capped by CapZ (pink squares). The Panda's Thumb: PZ Myers Archives
  • In muscle there is the same thing, viz., a framework of spongioplasm staining with hematoxylin—the substance of the sarcous element—and this encloses a clear hyaloplasm, the clear substance of the sarcomere, which resists staining with this reagent. IV. Myology. 2. Development of the Muscles
  • Gradually, new sarcomeres (contractile units) are laid down to share the work load and reduce the wall stress.
  • The sarcous element does not lie free in the sarcomere, for when the sarcostyle is stretched, so as to render the clear portion visible, very fine lines, which are probably septa, may be seen running through it from the sarcous element to the membrane of Krause. IV. Myology. 2. Development of the Muscles
  • The sarcous element does not lie free in the sarcomere, for when the sarcostyle is stretched, so as to render the clear portion visible, very fine lines, which are probably septa, may be seen running through it from the sarcous element to the membrane of Krause. IV. Myology. 2. Development of the Muscles
  • Line scans were determined for portions of myofibrils that were straight, contained five or more sarcomeres, and had striations relatively perpendicular to the long axis of the myofibril.
  • The actin filaments found in the sarcomeres of striated muscles, as well as in stress fibers and microvilli in nonmuscle cells, are stable, unbranched structures.
  • When the muscular fiber is contracted the clear part of the muscular substance is driven into these channels or tubes, and is therefore hidden from sight, but at the same time it swells up the sarcous element and widens and shortens the sarcomere. IV. Myology. 2. Development of the Muscles
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