How to pronounce “lacuna” in English

And this is how it's built. So, there's an artery down the middle and the erection starts by the artery dilating. So, from left to right, you'll see it dilate. And then that fillsthese lacunar spaces in the penis which give you tumescence, or engorgement. And those are called sinusoids.And then, the sinusoids when they fill, slap the vein shut against the wall of the penis and close off, or cork off, the flow of blood out of the penis so it stays in. So it's very