onco-, oncho-, -oncus

(Greek: "mass, bulk"; denotes relationship to a tumor, process of cancer formation; swelling, or mass)

oncofetal
Pertaining to fetuses and tumors.
oncogene
1. A gene that causes the transformation of normal cells into cancerous tumor cells, especially a viral gene that transforms a host cell into a tumor cell.
2. A gene that played a normal role in the cell as a proto-oncogene and that has been altered by mutation and now may contribute to the growth of a tumor.
3. A gene capable, under certain conditions, of causing the initial and continuing conversion of normal cells into cancer cells.
oncogeneic
oncogenesis
1. The causation or production of tumors.
2. The generation of or the process of tumor formation.
oncogenetic
A reference to the cause, origin, or formation of tumors.
oncogenic
1. Tending to cause or give rise to tumors.
2. Causing or tending to cause the formation and development of tumors.
oncogenicity
Causing the formation of tumors.
oncogenous
Arising in or originating from a tumor.
oncograph
An instrument for registering the changes observable with an oncometer or an instrument for measuring the variations in size of the internal organs of the body; such as, the kidney, spleen, etc.
oncography
A record of the size of an organ that is obtained with an oncometer (instrument for measuring the variations in size of the internal organs).
oncoides
oncologic
Related to oncology.
oncological
Relating to or practicing oncology.
oncologist, cancerologist
A doctor who specialises in the diagnosis, treatment and rehabilitation of individuals suffering with cancer.
oncology (s) (noun) (usually no plural)
The branch of medical science dealing with malignant diseases, including the origin, development, diagnosis, and treatment of tumors and deadly cancer.