thyroarytenoideus

US/ˌθaɪ.ɹoʊˌæɹ.ə.tiˈnɔɪ.di.əs/

A form of thyroarytenoid muscle — A broad, thin muscle that arises especially from the thyroid cartilage, inserts into the arytenoid cartilage, and functions to relax and shorten the vocal cords by drawing the arytenoid cartilage forward and to narrow the rima glottidis by rotating the arytenoid cartilage inward causing the vocal cords to approach each other.

OriginNew Latin thyreoarytēnoīdeus ← Latin arytaenoīdēs ← Ancient Greek ᾰ̓ρῠταινοειδής (ărŭtainoeidḗs) →
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Meanings

nounthyroarytenoideus (plural thyroarytenoidei)

plural thyroarytenoidei

  1. alternativeanatomyAlternative form of thyroarytenoid muscle.

Origin

  1. Proto-Indo-European*dʰwer-
  2. Proto-Hellenic*tʰurā
  3. Ancient Greekθῠ́ρᾱ (thŭ́rā)
  4. Ancient Greekθῠρεός (thŭreós)
  5. Proto-Indo-European*weyd-
  6. Proto-Indo-European*wéydos
  7. Proto-Hellenic*wéidos
  8. Ancient Greekεἶδος (eîdos)
  9. Ancient Greekθῠρεοειδής (thŭreoeidḗs)
  10. Latinthyreoīdēs
  11. Ancient Greekᾰ̓ρῠ́ω (ărŭ́ō)
  12. Ancient Greekᾰ̓ρῠτήρ (ărŭtḗr)
  13. Ancient Greekᾰ̓ρῠ́ταινᾰ (ărŭ́taină)
  14. Ancient Greekᾰ̓ρῠταινοειδής (ărŭtainoeidḗs)
  15. Latinarytaenoīdēs
  16. New Latinthyreoarytēnoīdeus
  17. Englishthyroarytenoideus

Borrowed from New Latin thyreoarytēnoīdeus, clipping of mūsculus thyreoarytēnoīdeus (“thyroarytenoid muscle”). Doublet of thyroarytenoid.

More words from New Latin

Full word history & related roots →

Rhymes & wordplay

Rhymes with thyroarytenoideus

deltoideusmylohyoideusomohyoideusrhomboideussternohyoideusstylohyoideus
All rhymes →
Cite this entry
APA

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

MLA

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

Chicago

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

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