Standard Lemma guide

endocardium

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

A thin serous membrane that lines the interior of the heart.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, cardiology, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the membrane that lines the cavities of the heart and forms part of the heart valves

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: serous membrane, serosa

History

Etymology

No etymology was provided for this word.

Across languages

Translations

20 source translations are retained for this English entry.

  • Arabic: شُغاف (šuḡāf) — membrane that lines the interior of the heart
  • Catalan: endocardi — membrane that lines the interior of the heart
  • Chinese Mandarin: 心內膜 /心内膜 (xīnnèimó) — membrane that lines the interior of the heart
  • Czech: endokard — membrane that lines the interior of the heart
  • Finnish: sydämen sisäkalvo — membrane that lines the interior of the heart
  • French: endocarde — membrane that lines the interior of the heart
  • German: Endokard — membrane that lines the interior of the heart
  • Hungarian: szívbelhártya — membrane that lines the interior of the heart
  • Hungarian: endocardium — membrane that lines the interior of the heart
  • Icelandic: hjartaþel — membrane that lines the interior of the heart
  • Icelandic: hjartafóður — membrane that lines the interior of the heart
  • Ido: endokardo — membrane that lines the interior of the heart
  • Italian: endocardio — membrane that lines the interior of the heart
  • Korean: 심내막 (simnaemak) — membrane that lines the interior of the heart
  • Persian: آندوکارد (ândokârd) — membrane that lines the interior of the heart
  • Polish: wsierdzie — membrane that lines the interior of the heart
  • Portuguese: endocárdio — membrane that lines the interior of the heart
  • Russian: эндокард (endokard) — membrane that lines the interior of the heart
  • Spanish: endocardio — membrane that lines the interior of the heart
  • Turkish: endokard — membrane that lines the interior of the heart