Myosin

Pronunciation: /ˈmaɪəsən/

Myosin (noun)

  1. A protein in muscle cells that pulls on actin filaments to help muscles contract.
  2. A protein that uses energy to move along other cell structures, helping cells change shape or move parts.

Examples

  • Myosin helps muscles contract when it pulls on actin.
  • Actin and myosin work together to produce muscle movement.