Fig. 2From: Leveraging the predictive power of 3D organoids in dogs to develop new treatments for man and man’s best friendCanine mammary tumor organoids. Tumor organoids derived from a canine malignant mammary tumor on day 3 of culture, showing spherical structures typical of early organoid cultures (left), and after 3 passages, showing proliferation of the organoids (right). Scale bar 300 μmBack to article page