17. How do cells of neoplastic
tumors obtain oxygen and
nutrients and release wastes?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
In neoplastictumors a phenomenon
angiogenesis occurs.
Angiogenesis is formation of new
blood . Neoplastic cells induce
the of new blood vessels
irrigate and drain the tissue.
Angiogenesis is important the
tumor growth depends it. A lot of
on cancer has tried discover
natural and synthetic to
inhibit angiogenesis.