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Related Concept Videos

Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

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The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
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The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
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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.
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Arteries, the vasculature responsible for transporting blood from the heart, possess robust walls capable of enduring the elevated pressures exerted by the heartbeat. Arteries near the heart are especially thick-walled and enriched with elastic fibers across their three tunics, classifying them as elastic or conducting arteries. These arteries, usually with a diameter exceeding 10 mm, are characterized by their ability to dilate in response to the blood pumped from the heart's ventricles...
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The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
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Arteries of Lower Limbs01:20

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The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular...
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Updated: Oct 20, 2025

An In Vivo Assessment of Blood-Brain Barrier Disruption in a Rat Model of Ischemic Stroke
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Kugel's Artery: Silent Bystander or Savior?

Joshua T Narh1, Khushal V Choudhary2, Adeniyi Okunade1

  • 1Internal Medicine, One Brooklyn Health - Brookdale University Hospital and Medical Center, Brooklyn, USA.

Cureus
|September 15, 2021
PubMed
Summary

Kugel's artery, a rare coronary artery variant, connects major arteries. This anatomical connection can be vital in patients with coronary artery disease by maintaining blood flow during blockages.

Keywords:
acute coronary syndromechronic total occlusioncoronary artery diseasekugel’s arterypercutaneous coronary intervention

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Area of Science:

  • Cardiovascular Anatomy
  • Interventional Cardiology
  • Vascular Biology

Background:

  • Kugel's artery is a rare coronary artery anastomosis, occurring in approximately 6% of the population.
  • It involves connections between the right coronary artery (RCA) and/or left circumflex artery (LCX) branches.
  • Its significance in coronary artery disease (CAD) and myocardial perfusion is increasingly recognized.

Observation:

  • This case report details a patient with multivessel occlusion myocardial infarction.
  • An anomalous vascular anastomosis, identified as Kugel's artery, was observed.
  • The connection was between the proximal and distal segments of the right coronary artery.

Findings:

  • The identified Kugel's artery provided an anomalous vascular connection.
  • This bypasses an area of epicardial vessel occlusion.
  • The anastomosis potentially maintained myocardial perfusion and viability despite significant CAD.

Implications:

  • Understanding Kugel's artery is crucial for interpreting coronary anatomy in CAD patients.
  • This variant can be a critical compensatory mechanism, preserving heart muscle.
  • Recognition of such anastomoses can influence revascularization strategies and prognosis.