costamere

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UK/ˈkɒ.stə.mɪə/US/ˈkɑ.stə.mɪɹ/

noun

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

Scrabble 13
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Meanings

nouncostamere (plural costameres)

plural costameres

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

Origin

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

Full word history & related roots →
Cite this entry
APA

costamere. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/costamere

MLA

“costamere.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/costamere. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “costamere,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/costamere.

Source: costamere on Wiktionary, CC BY-SA 4.0.