Grey's Anatomy relationships are a big part of the series, but some storylines are so impactful that fans can't forget them.

Meredith's choice at Grey's Anatomy season 21, episode 12's end shows she proved Ellis wrong beyond her wildest expectations ...

Meredith's mother, Ellis Grey, was a world-famous surgeon who had ... Ellis' specialty. She stayed in Seattle even though her mother's legacy followed her everywhere. Meredith also trained under ...