tu·mor·i·gen·e·sis 
(t′mər-ə-jĕnĭ-sĭs, ty′-)
(t′mər-ə-jĕnĭ-sĭs, ty′-)n. pl. tu·mor·i·gen·e·ses (-sēz′)
The formation or production of tumors.
- circulate
- circulating library
- circulation
- circulative
- circulator
- circulatory
- circulatory system
- circum-
- circumambience
- circumambiency
- circumambient
- circumambiently
- circumambulate
- circumambulation
- circumboreal
- circumcise
- circumciser
- circumcision
- circumduction
- circumference
- circumferential
- circumfix
- circumflex
- circumfluent
- circumfluous