This monocyte's nucleus adopted a heart shape, probably due to the technique used to prepare the slide for imaging.
2014’s Most “Liked” Images of the Day Image Gallery
This year was chock-full of more brilliant Image of the Day posts, which were popular as ever on our Facebook page. Here the #IODs that our Facebook friends showed the most love for among more than 1.5 million total likes.
2. Leafy Slug
4. Larval Load
6. Tough Helmet
10. Fuzzy Fungi