urachus

noun
ura·​chus | \ -kəs How to pronounce urachus (audio) \

Medical Definition of urachus

: a cord of fibrous tissue extending from the bladder to the navel and constituting the functionless remnant of a part of the duct of the allantois of the embryo

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Cite this Entry

“Urachus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/urachus. Accessed 25 Oct. 2020.

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