urachus

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noun

A band of fibrous tissue extending from the bladder to the umbilicus.

OriginNew Latin ūrachus ← Ancient Greek οὐραχός →
Scrabble 12
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Meanings

nounurachus (plural urachi or urachuses)

plural urachi · plural urachuses

  1. anatomyA band of fibrous tissue extending from the bladder to the umbilicus.

    A persistent urachus exists if the entire urachal tube remains patent between the bladder and umbilicus.

    2003, Douglas H. Slatter, Textbook of Small Animal Surgery, volume 1, page 1631

Origin

  1. Ancient Greekοὐραχός
  2. New Latinūrachus
  3. Englishurachus

From New Latin ūrachus, from Ancient Greek οὐραχός (ourakhós).

More words from New Latin, Ancient Greek

Full word history & related roots →

Translations

Arabic سَرَر مَثَانِيّ, مُرَيْطَاء
  • سَرَر مَثَانِيّ (sarar maṯāniyy)urachus
  • مُرَيْطَاء (murayṭāʔ)urachus
Chinese 脐尿管
  • 脐尿管urachus
Czech prvomočovod
  • prvomočovodurachus
German Urharngang, Urachus
  • Urharngangurachus
  • Urachusurachus
Japanese 尿膜管
  • 尿膜管 (nyoumakukan)urachus
Polish moczownik
  • moczownikurachus
Portuguese úraco
  • úracourachus
Slovak prvomočovod
  • prvomočovodurachus
Spanish uraco
  • uracourachus
Cite this entry
APA

urachus. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/urachus

MLA

“urachus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/urachus. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “urachus,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/urachus.

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