Angiogenesis is the process by which new blood vessels are formed from pre-existing vessels. In cancer, angiogenesis is important for the growth and spread of tumors. It is the growth of blood vessels into the tumor, which brings nutrients and oxygen to the tumor. This process is directed by additional mutations in tumor cells. So, all of the given choices are correct.

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Angiogenesis

Question 39

Multiple Choice

Angiogenesis:

A) is the growth of blood vessels into the tumor
B) is directed by additional mutations in tumor cells
C) brings nutrients and oxygen to a tumor
D) all of the above
E) none of the above

Correct Answer: