Urachus

[jurәkәs]

解釋/意思:

(n.) A cord or band of fibrous tissue extending from the bladder to the umbilicus.

伯特校對

解釋/意思:

n. one of the ligaments of the bladder formed by the remaining constricted portion of the allantois of the fœtus.

艾格尼丝編輯