ArticleVeterinary medicine and science2023
CT anatomy and normal radiography of the skull of the Rhesus monkey (Macaca mulatta).
Article in Veterinary medicine and science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 3 citations in OpenAlex.
- Anatomic, Radiographic, and Computed Tomographic Study of the Skull in the Persian Squirrel (Sciurus anomalus).Anatomia, histologia, embryologia · 2026Article
- Morphological Variation and Integration of the Ethmoidal and Prechiasmatic Regions in Sheep.Animals : an open access journal from MDPI · 2026Article
- CT Anatomy of the Skull in Lamb and Adult Romane Sheep.Veterinary medicine international · 2026Article
- CT anatomy and normal radiography of the skull of the Rhesus monkey (Macaca mulatta).Veterinary medicine and science · 2023Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundConsidering the relationship between human morphology and physiology with the Rhesus monkey, this animal is the most prominent species of laboratory primate for human and animal health research. Moreover, sending Macaca mulatta monkey into space and simulating a living environment for humans shows the similarity of this animal's physiology with humans.
objectiveSo far, no comprehensive study has been done on computed tomography (CT) scan and radiography of skulls in Rhesus monkeys. Therefore, providing accurate documents from the CT anatomy of the skull in these animals can help us to better understand normal conditions and diseases, and we can use a functional atlas of diagnostic imaging from the skull of this animal.
methodsTen mature monkeys weighing 6.5 kg were used for this project (five males and five females). A radiographic examination with standard views was performed during general anaesthesia. Then the monkeys were placed in a spherical CT scan during general anaesthesia with standard sternal recumbency.
resultsThe frontal bone was seen as two parallel radiopaque lines coming forward and downward. The frontal sinus in the Rhesus monkey was not visible in both lateral and dorsoventral radiographs, which could indicate the degeneration of this sinus in this species. The number of teeth in an adult monkey was 32. Molar teeth had a bilophodont arrangement.
conclusionsThe comparison between the size of the eye ball in human and Rhesus monkey, unlike other measured parameters, did not differ much, and this indicates that the volume ratio of the eye ball to the whole skull in Rhesus monkey is higher than that of humans.
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