How Do White Blood Cells Stay On Target?
Friday, March 23, 2012 - 12:10
in Biology & Nature
Imagine, if you will, that your computer screen (or iThingie, or DroidDevice) were to suddenly explode, driving a shard of shrapnel deep into your shoulder. Very quickly, your white blood cells would sense the intruder and rush to the site of the insult, hunt down invading bacteria, and just generally do what they do. But if you think about it, these are single cells! How does a single cell sense where to go, and then keep moving in that direction? read more