Why does it swell up like this?!?!


Question:

Why does it swell up like this?!?

I fell out of a tree and hurt my ankle somehow. Basically I twisted it I think, but it's not hurt that bad and I can walk and everything, so why does it look like there's a baseball embedded under my skin? Am I hurt worse than I think? I am putting ice on it and took Advil.

FYI, I did rescue my airplane :)

Additional Details

2 weeks ago
Note: I have a B.A. in Biology, so give me the technical details if you have them, thanks!

2 weeks ago
Yeah I realize how dumb it was to hack my way into a thicket of willows like that, and I actually stopped for a minute to consider what would happen if I got hurt, then I decided to do it anyway. I know it was dumb. I added the part about my degree because I'm hoping that someone will point me to an actual journal article or something like that. Something that Google can't find... cuz you know, I *do* Google this stuff before I post.


Answers:

You most likely sprained you ankle. Inflammation is the body's response to injury. Multiplication of organ specific cells may be occuring. Fibroblasts that reside in the area affected start to secrete large quantuities of collagen, while blood vessel cells proliferate in the process of angiogenesis. The inflammation is occuring as a result of your body quickly sending its resources to repair torn tissues.




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