my·e·lo·fi·bro·sis 
(mī′ə-lō-fī-brōsĭs)
(mī′ə-lō-fī-brōsĭs)n.
Proliferation of fibroblastic cells in bone marrow, causing anemia and sometimes enlargement of the spleen and liver.
- universal machine
- universalness
- Universal Product Code
- universal recipient
- universal resource locator
- universal set
- universal time
- universal Turing machine
- universe
- universe of discourse
- university
- univocal
- univocally
- Unix
- unjoint
- unjust
- unjustifiable
- unjustifiably
- unjustly
- unjustness
- unkempt
- unkennel
- unkept
- unkind
- unkindliness