| on | orchid of South America and Trinidad having large yellow and reddish-brown flowers |
|---|---|
| on | orchid of South and Central America having flowers similar to but smaller than Psychopsis papilio |
| on | a gene that causes normal cells to change into cancerous tumor cells |
| on | of or relating to or practicing oncology |
| on | of or relating to or practicing oncology |
| on | a specialist in oncology |
| on | the branch of medicine concerned with the study and treatment of tumors |
| on | the beginning or early stages |
| on | moving toward one |
| on | periwinkle plant derivative used as an antineoplastic drug (trade name Oncovin) |
| on | Canadian writer (born in Sri Lanka in 1943) |
| on | muskrats |