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angiogenesis

The growth of new blood vessels.

an-jee-oh-JEN-uh-sis noun

Word parts

angi/o vessel-genesis creation

What it means

In wound healing, new capillaries start to grow into the wound within a day or so to bring oxygen and nutrients, forming part of granulation tissuegran-yuh-LAY-shun TISH-ooNew, moist, red tissue that fills a healing wound from the bottom up.Full entry . Tumors also trigger angiogenesis to feed their growth, and some cancer drugs work by blocking it.

At a glance

Spanishangiogénesis

Related terms

capillary

One of the tiniest blood vessels, joining the smallest arteries to the smallest veins.

granulation tissue

New, moist, red tissue that fills a healing wound from the bottom up.

tumor

An abnormal mass of tissue formed when cells grow and divide more than they should.

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