Video

Cells in Living Color: Filopodia

Cellular projections called filopodia grow and contract on the surface of this cell, waving like tiny limbs or porcupine quills.

Uh oh–you've read all five of your free articles for this month.

Insider Online Only

$19.95/yr US PRICE

Biomedicine

New technologies and biological insights are providing unprecedented ways of improving our health.

You've read of free articles this month.