RF
Blood vessel formation in tumour, illustration
Blood vessel formation in a tumour, illustration. Like healthy cells, malignant (cancerous) cells can't live without oxygen and nutrients. Malignant tumour cells release angiogenic growth factor proteins (primarily VEGF-A) when they sense a shortage of oxygen. These proteins act as signals for nearby blood vessels to grow and extend towards the tumour, initiating the process known as angiogenesis., by JUAN GAERTNER/SCIENCE PHOTO LIBRARY
S
0.4 MB
724 x 543 px
6.1 x 4.6 cm
$ 100.00
M
3.8 MB
2290 x 1718 px
19.4 x 14.5 cm
$ 180.00
L
45.8 MB
8000 x 6000 px
67.7 x 50.8 cm
$ 350.00
More
Top Categories