Blood vessels with in a tumor are -often constructed in evenly spaced patterns t

Question

Blood vessels with in a tumor are -often constructed in evenly spaced patterns to provide oxygen and nutrients through out the tumor -often constructed in a haphazard,seemingly disorganized fashion -growth - suppressed by antagonists of the VGEF receptor -B & C -none of the above Blood vessels with in a tumor are -often constructed in evenly spaced patterns to provide oxygen and nutrients through out the tumor -often constructed in a haphazard,seemingly disorganized fashion -growth - suppressed by antagonists of the VGEF receptor -B & C -none of the above -often constructed in evenly spaced patterns to provide oxygen and nutrients through out the tumor -often constructed in a haphazard,seemingly disorganized fashion -growth - suppressed by antagonists of the VGEF receptor -B & C -none of the above

Explanation / Answer

The correct answer is:

Since tumor is an unwanted growth of cells, increasing size of tumor also demands adequate supply of oxygen and nutrients, which is limited. Therefore, to grow in size, tumor cells attract blood vessels from the nearby healthy cells in a haphazard manner. This process is called angiogenesis. In this process new blood vessels are formed from the pre-existing ones.

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