Phrase guide

papillary muscle

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

One of several muscles located in the ventricles of the heart and preventing the atrioventricular valves from prolapsing on systole.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: musculus papillaris

Antonyms: none provided

2

noun

Meaning 2

any of several muscles associated with the atrioventricular valves

Definition source: Princeton WordNet 3.0

Examples

  • the papillary muscles contract during systole to prevent regurgitation of blood into the atria

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: cardiac muscle, heart muscle

History

Etymology

No etymology was provided for this word.

Across languages

Translations

2 source translations are retained for this English entry.

  • French: muscle papillaire — Translations
  • Latin: mūsculus papillāris — Translations