Chicharong Bulaklak from my Uncle in Bicol

Chicharong Bulaklak is my favorite but I don't know what it is made of but now i finally found the courage to know what it is. According to research chicharon bulaklak is a pig's Mesentery. I tried to research what mesentary is but i can't seem to understand it because all of this unknown terms they're using if you want read it yourself : http://en.wikipedia.org/wiki/Mesentery

This is the delicious and favorite crispy Chicharon bulaklak Best served with vinegar w/ chilis and garlic