The cavernous carotid inferolateral trunk and persistent primitive maxillary arteries: analysis of dissected arterially injected fetal specimens and high-resolution micro-CT of the dog’s anastomotic arteries
| Autor: | Gerald Conlogue, E. Leon Kier, Lawrence H. Staib |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Maxillary Artery
Anastomosis Pathology and Forensic Medicine 03 medical and health sciences 0302 clinical medicine Fetus Dogs medicine.artery Medicine Humans Animals Radiology Nuclear Medicine and imaging Micro ct Skull Base 0303 health sciences business.industry Dissection Maxillary artery Anatomy X-Ray Microtomography Trunk Skull Anatomy Comparative medicine.anatomical_structure Carotid Arteries 030301 anatomy & morphology Surgery Original Article business 030217 neurology & neurosurgery Carotid Artery Internal Artery |
| Zdroj: | Surgical and Radiologic Anatomy |
| ISSN: | 1279-8517 0930-1038 |
| Popis: | Purpose The presence of a persistent primitive maxillary artery is described in the literature dealing with the development of the cavernous carotid inferolateral trunk, and the relevant similarities of the cranial circulation of the human and dog. The literature includes no dissection photographs of the above-mentioned two human fetal arteries, only diagrammatic representations. This study’s objectives were to analyze photographs of fetal dissections for the presence of these two arteries, and also investigate the possibility of obtaining, in preserved dog specimens, high-resolution micro-CT imaging of arteries homologous with the above-mentioned two human arteries. Methods The literature describing the embryologic development of the cavernous carotid inferolateral trunk, the persistent primitive maxillary arteries, and their homologies in the dog was reviewed. Relevant dissections of fetal specimens were analyzed. High-resolution micro-CT images of un-dissected dog arteries were produced and analyzed. Results Photographs of fetal specimen dissections demonstrate the cavernous carotid inferolateral trunk. A separate persistent primitive maxillary artery was not present in the dissected specimens. High-resolution micro-CT images of the dog demonstrate homologous arteries with segments of the human inferolateral trunk, and other skull base and brain arteries. Conclusion This investigation provides the only photographs in the literature of dissected human fetal cavernous carotid inferolateral trunks. A persistent primitive maxillary artery was not present in the dissected specimens and is a non-existent structure, likely a previously misidentified carotid inferolateral trunk. High-resolution micro-CT images of the dog visualized arteries that are homologous to segments of the human cavernous carotid inferolateral trunk artery. |
| Databáze: | OpenAIRE |
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