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Stapedial Artery: From Embryology to Different Possible Adult Configurations.
S Bonasia1, S Smajda2, G Ciccio2
1From the Department of Neurosurgery (S.B., T.R.), Neurocenter of the Southern Switzerland, Lugano, Switzerland.
AJNR. American Journal of Neuroradiology
|September 5, 2020
Summary
Understanding the embryonic stapedial artery is crucial for grasping the complex anatomical variations of the middle meningeal artery and its branches. This review details hyostapedial system development and related embryology.
Area of Science:
- Embryology
- Anatomy
- Vascular Biology
Background:
- The stapedial artery, an embryonic vessel, is the precursor to orbital, dural, and maxillary arteries.
- Its complex development and transformations necessitate a thorough understanding for anatomical context.
- Knowledge of its embryology is essential for comprehending variations in the middle meningeal artery.
Purpose of the Study:
- To review the embryologic development and variants of the hyostapedial system.
- To provide a foundation for understanding the anatomical variations of the middle meningeal artery.
- To explore critical embryological points of the internal carotid artery (ICA), ophthalmic artery, trigeminal artery, and inferolateral trunk.
Main Methods:
- Detailed description of hyostapedial system development and its variants.
- Review of embryological origins of related cranial arteries.
- Analysis of anatomical variations in the middle meningeal artery.
Main Results:
- The stapedial artery's embryological pathway is complex, with significant variations.
- Understanding the hyostapedial system clarifies the origins of certain orbital, dural, and maxillary arterial branches.
- Established links between embryonic artery development and adult anatomical variations.
Conclusions:
- A comprehensive understanding of the stapedial artery's embryology is fundamental for interpreting middle meningeal artery variations.
- This review provides a detailed account of the hyostapedial system and related embryological structures.
- The findings facilitate a clearer grasp of complex vascular anatomy in the head and neck region.
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