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The Arch of Aorta

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...

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Related Experiment Video

Updated: Aug 21, 2025

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats

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Published on: April 21, 2017

Cryptogenic posterior circulation stroke in children.

Prasanthi Aripirala¹, Nihaal Reddy², Lokesh Lingappa¹

¹Department of Pediatric Neurology, Rainbow Children's Hospital and Perinatal Center, Hyderabad, India.

Developmental Medicine and Child Neurology

|November 16, 2022

Summary

This summary is machine-generated.

Craniovertebral junction anomalies are a significant cause of pediatric posterior circulation strokes. Early assessment and dynamic imaging are crucial for diagnosing and treating these treatable conditions.

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Area of Science:

Neurology
Pediatrics
Radiology

Background:

Posterior circulation arterial ischemic stroke (PCAIS) in children can have various etiologies.
Craniovertebral junction (CVJ) anomalies are a potential, yet often overlooked, cause of stroke in pediatric patients.

Conclusions:

CVJ anomalies represent an important, treatable cause of pediatric PCAIS.
Cervical spine X-rays (flexion/extension) and dynamic angiography are recommended for suspected cases.
Clinical assessment for features like short neck and stature is advised in children with PCAIS.