Wow! Look at this!

Mammal Tongue with Taste Buds 10x/0.25

This is a slide of an artery, vein, and a nerve. Here, I believe I've found a vein, and since it is not round at this moment, I expect that it is compressed and that there is no blood flowing through it at this time. This image was observed on 40x magnification.

4x, Mammal peripheral nerve!