Costamere

//ˈkɒ.stə.mɪə// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A structural-functional component of striated muscle cells which connects the sarcomere of the muscle to the sarcolemma.

Etymology

From Latin costa (“side, wall”) + -mere (“part, segment”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.