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Digital 3D anatomical model of the canine stomach

In the last 5 years, digital 3D anatomical models have been developed and used for teaching and studying at the Faculty of Veterinary Medicine, University of Zagreb (FVMUZ). The main purpose of these models was to establish new tools for the students’ self-study. Nowadays, 3D models and anatomical specimens are combined in practicals. Furthermore, models proved to be useful for the study during the COVID-19 pandemic and online teaching. To maintain the high-quality study, we designed a new digital 3D anatomical model – the dog’s stomach. A canine healthy stomach was received from the pathology course in 2021. Stomach was dissected and the inside was washed with tap water. The stomach was preserved with 5% alum and left in it for 6 days. Afterwards, it was air dried in its anatomical position with air pump with the air- pumping tube inserted through the cardia for 4 days. Finally, it was filled with polyurethane foam to preserve the shape. The stomach was scanned with a CT scanner (Siemens SOMATOM go.Now) at the FVMUZ. A digital 3D model of the stomach was created with the software 3D Slicer. Small errors of the model were fixed with Blender software. Additionally, the stomach was photographed from all angles, and photographs were applied to the model in Blender software to get the real texture of the stomach. The model was labelled with 17 anatomical terms according to Nomina Anatomica Veterinaria in the Blender software. For the correct position of anatomical structures, Illustrated Veterinary Anatomical Nomenclature was used. FinalMesh software was used for the export of the model in WebGL format suitable for online view. The model is now available for free on the FVMUZ website (http://wwwi.vef.hr/3datlas/ostali_modeli/zeludac/ ). Digital 3D anatomical models are new teaching tools in animal anatomy that improve the spatial orientation of students in the animal’s body. However, they cannot fully replace the dissection and study on whole carcasses, body parts or organs.

3D anatomical model, dog's stomach, anatomy teaching tool

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