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Urachus

资料来源 : pyDict

脐尿管

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Urachus \U"ra*chus\, n. [NL., fr. Gr. ? urine + ? to hold.]
   (Anat.)
   A cord or band of fibrous tissue extending from the bladder
   to the umbilicus.
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