There are multiple definitions:

1. umbilical cord blood(English)

   • blood that remains in the placenta and in the attached umbilical cord after childbirth. Sometimes stem cells are collected, that can be used to treat hematopoietic and genetic disorders
   • dUCB, ACE, AGT, ALD, Ang II, ANP, PRA, RAAS, TTTS
   • Hematology, Stem cell, Obstetrics
   • https://www.ncb…les/PMC3209739/
   • https://doi.org…bmt.2013.03.009
   • https://doi.org…1111/aogs.14859

2. upper confidence bound(English)

   • Echography/ultrasound, Standards
   • https://heart.b…l_2/17.full.pdf

3. urothelial carcinoma of the bladder(English)

   • most common malignant bladder tumor
   • NPB, TURBT
   • Urology, Oncology
   • https://doi.org…55/2019/1097149