How to pronounce “lesion”(verb) in English

So, this was a German-Austrian hypothesis prior to World War II. It was known as the lipophilia hypothesis. I'll explain that in a second. The primary proponents where Gustavanimal model of obesity, how do you want to test what's driving it, like a genetic model, a surgical model. You could lesion the ventromedial hypothalamus for rat and it'll get obese and