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Question

In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called:

A
Metagenesis
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B
Metastasis
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C
Teratogenesis
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D
Mitosis
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Solution

The correct option is B Metastasis
The spread of cancer cells from the place where they first formed to another part of the body through the blood/lymph vessels is called metastasis. Cancer cells break away from the original tumor, travel through the blood or lymph system and form a new tumor in other organs or tissues of the body.

Metagenesis is related to the alternation of generations seen in various organisms like bryophytes. Mitosis is a type of division of cells. Teratogenesis is the process by which disturbances are produced in an embryo or foetus.

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