small world

Dr. Jennifer L. Peters & Dr. Michael R. Taylor /
The blood-brain barrier in a live zebrafish embryo (20x)

Arthur Strange / Acetaminophen crystals (20x) 

Dr. Michael John Bridge / Eye organ of a Drosophila fruit fly third-instar larvae (60x)

Dr. Somayeh Naghiloo / Floral primordia of Allium Sativum (Garlic)

Edy Kieser / Crystallized potassium chlorate (40x)

Yanping Wang / Sand (4x)

All photos from the Nikon Small World Photomicrography Competition.