Figure 1

Ontogeny of the digestive organs in Atlantic halibut larvae. 3D models were reconstructed from serial histological sections using Imaris software. The digestive organs are shown from three angles; left, right and dorsal side. Arrows indicate the anterior direction (mouth). Orange outer layer of GI-tract, red liver, green gallbladder, purple pancreas, pink islet of Langerhans, yellow yolk-sac. Transparent colour is used for exocrine pancreas (purple) in order to show islets of Langerhans (pink) and gallbladder (green).