Involves tedious, lengthy, lab sessions often pushing 5 hours in which one dissects a human cadaver several times a week in a room with no sunlight.
Imagine looking at a bowl of spaghetti and having to name not only each noodle, but also every space in-between them. Imagine having to know where each noodle is going, where it came from, what its embryological origin was, and what nerve innervates it.
Side effects include, but are not limited to: smelling like formaldehyde after your 3rd shower, wishing you could forget the things you've done in lab- like cutting open a dead man's testicle or skinning a human face- except for that you'll be tested on it next week, a marked aversion to chicken, brisket and fat of any kind, and extreme sleep deprivation.
"Hey, did you hear about that guy who got dragged by a car for a mile and had to be hospitalized for a month?
"Yeah, I heard while he was getting dragged, he would cry out "at least I'm not in Gross Anatomy".
I'd go and grab a bite to eat with you, but I just walked out of Gross Anatomy lab and it's going to take at least a few hours to wash the stink off.