Term
| Why does the growth of a tumour persist in the same excessive manner after the cessation of the stimuli which evoked it? |
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Definition
| Because genetic alterations are passed down to the products of the tumour cells |
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Term
| Tumours are called 'Clonal' because? |
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Definition
| The entire group of cells in an individual tumour arise from a single cell that has undergone genetic change |
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Term
| Total cell cycle time for many tumours is equal or more longer than that of corresponding normal cells |
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Definition
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Term
| What are the factors that determine the rate of growth of a tumour? |
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Definition
1. The doubling time of tumour cells
2. The fraction of tumour cells in the replication pool
3. The rate at which tumour cells are shed or die |
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Term
| Benign tumours can have a higher growth rate than malignant tumours |
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Definition
True. Only some.
hormonal stimulation, adequacy of blood supply n unknown factors influence affect the growth rate.
ie: Uterine leiomyoma in pregnancy |
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