Conversation so far:
does the ring finger have a direct vein to the heart
The vena amoris does not exist. The vasculature in your hands is pretty much all the same, and there isn't one vein in your hands linked directly to the heart.
where did the belief of the vena amoris originate
The belief originated in ancient Egyptian times and influenced the modern wedding ring custom in the Western part of the world.
what does vena amoris mean
Vena amoris is a Latin name meaning, literally, vein of love.
how do you say brain in latin
Cerebellum is a latin word for brain.

Question: how about in french
Self-contained rewrite: how do you say brain in french