Crap. Are you even a medical professional. Go do your homework and learn proper anatomy.
Better you search on google .... u'll get your answer rather than commenting on my pic
It's a traditional belief, no such vein actually exists. vena amoris is myth. don't just pull up google crap and publish.
Educating you to be responsible, so that you will learn to verify any content before publishing. I do this for everyone giving wrong info.