aponeurosis

English

Etymology

Borrowed from New Latin aponeurōsis.

Pronunciation

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• (Received Pronunciation) IPA^(key): /ˌap.ə.njʊˈɹəʊ.sɪs/
• (General American) IPA^(key): /ˌæp.ə.nʊˈɹoʊ.sɪs/
• Rhymes: -əʊsɪs

Noun

aponeurosis (plural aponeuroses)

1. (anatomy) A flattened pearly white fibrous membrane taking the place of a tendon that binds together and forms the terminations and attachments of muscles or connects them to other body parts like skin or bone.

Derived terms

• aponeurology
• aponeurotic
• epicranial aponeurosis
• palatine aponeurosis

Translations

Translations

• Arabic: وَتَر عَرِيض m (watar ʕarīḍ)
• Catalan: aponeurosi (ca)
• Czech: šlachatice f
• French: aponévrose (fr) f
• Greek: απονεύρωση (el) n (aponévrosi)
• Ido: aponevroso (io)
• Latin: aponeurōsis f
• Polish: rozcięgno n
• Portuguese: aponeurose f
• Spanish: aponeurosis (es) f
• Swedish: aponeuros c

Further reading

• aponeurosis on Wikipedia.Wikipedia

References

• “aponeurosis”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “aponeurosis”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

Latin

Etymology

Borrowed from Ancient Greek ἀπονεύρωσῐς (aponeúrōsĭs, “end of the muscle where it becomes tendinous”), from ἀ̆πονευρόομαι (ăponeuróomai, “to become tendinous”) +‎ -σῐς (-sĭs, nominal suffix).

Pronunciation

• (Classical Latin) IPA^(key): [a.pɔ.nɛu̯ˈroː.sɪs]
• (modern Italianate Ecclesiastical) IPA^(key): [a.po.neu̯ˈrɔː.s̬is]

Noun

aponeurōsis f (genitive aponeurōsis); third declension (New Latin)

1. (anatomy) An aponeurosis.

Inflection

Third-declension noun (i-stem).

	singular	plural
nominative	aponeurōsis	aponeurōsēs
genitive	aponeurōsis	aponeurōsium
dative	aponeurōsī	aponeurōsibus
accusative	aponeurōsem	aponeurōsēs aponeurōsīs
ablative	aponeurōse	aponeurōsibus
vocative	aponeurōsis	aponeurōsēs

Derived terms

• aponeurōticus (adjective)

Descendants

→ English: aponeurosis

Spanish

Noun

aponeurosis f (plural aponeurosis)

1. (anatomy) aponeurosis

Related terms

• aponeurótico

Further reading

• “aponeurosis”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025