J Korean Med Sci.
2019 Mar;34(8):e66. 10.3346/jkms.2019.34.e66.
Rise of the Visible Monkey: Sectioned Images of Rhesus Monkey
- Affiliations
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- 1Department of Anatomy, Ajou University School of Medicine, Suwon, Korea.
- 2National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Korea.
- 3Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon, Korea.
- 4College of ICT Engineering, Chung Ang University, Seoul, Korea.
- 5Department of Radiology, Ajou University School of Medicine, Suwon, Korea.
- 6Department of Anatomy, Dongguk University School of Medicine, Gyeongju, Korea. park93@dongguk.ac.kr
- KMID: 2441909
- DOI: http://doi.org/10.3346/jkms.2019.34.e66
Abstract
- BACKGROUND
Gross anatomy and sectional anatomy of a monkey should be known by students and researchers of veterinary medicine and medical research. However, materials to learn the anatomy of a monkey are scarce. Thus, the objective of this study was to produce a Visible Monkey data set containing cross sectional images, computed tomographs (CTs), and magnetic resonance images (MRIs) of a monkey whole body.
METHODS
Before and after sacrifice, a female rhesus monkey was used for 3 Tesla MRI and CT scanning. The monkey was frozen and sectioned at 0.05 mm intervals for the head region and at 0.5 mm intervals for the rest of the body using a cryomacrotome. Each sectioned surface was photographed using a digital camera to obtain horizontal sectioned images. Segmentation of sectioned images was performed to elaborate three-dimensional (3D) models of the skin and brain.
RESULTS
A total of 1,612 horizontal sectioned images of the head and 1,355 images of the remaining region were obtained. The small pixel size (0.024 mm × 0.024 mm) and real color (48 bits color) of these images enabled observations of minute structures.
CONCLUSION
Due to small intervals of these images, continuous structures could be traced completely. Moreover, 3D models of the skin and brain could be used for virtual dissections. Sectioned images of this study will enhance the understanding of monkey anatomy and foster further studies. These images will be provided to any requesting researcher free of charge.
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