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Related Concept Videos

The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
The Aorta01:14

The Aorta

The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
Thoracic Aorta01:15

Thoracic Aorta

The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...

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Related Experiment Video

Updated: Jun 7, 2026

Ultrasound Imaging of the Thoracic and Abdominal Aorta in Mice to Determine Aneurysm Dimensions
06:08

Ultrasound Imaging of the Thoracic and Abdominal Aorta in Mice to Determine Aneurysm Dimensions

Published on: March 8, 2019

Aortic arch morphometry in living humans.

Stefanos Demertzis1, Samuel Hurni, Mario Stalder

  • 1Department of Cardiac Surgery, Cardiocentro Ticino, Lugano, Switzerland. demertzis@cardiocentro.org

Journal of Anatomy
|October 29, 2010
PubMed
Summary
This summary is machine-generated.

The aortic arch

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Last Updated: Jun 7, 2026

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Area of Science:

  • Cardiovascular anatomy
  • Medical imaging analysis
  • Thoracic surgery

Background:

  • Aortic arch anatomy impacts surgical and interventional procedure feasibility.
  • Variations in aortic arch geometry present challenges in cardiovascular interventions.

Purpose of the Study:

  • To quantitatively assess anatomical variations of the aortic arch.
  • To evaluate the influence of age and gender on aortic arch morphology.

Main Methods:

  • 3D multiplanar reconstruction of thoracic angio-computed tomography scans.
  • Analysis of 92 patients' aortic arch parameters (steepness, branch angles, distances).

Main Results:

  • Significant inter-individual variation observed in all measured aortic arch parameters.
  • No standard aortic arch configuration exists within 2 standard deviations.
  • No significant gender-based differences were found.
  • Age showed a significant correlation with some aortic arch parameters.

Conclusions:

  • Aortic arch anatomy is highly variable, lacking a standard configuration.
  • Understanding these variations is crucial for planning cardiovascular interventions.
  • Age is a factor influencing aortic arch morphology.