5 Questions
Which chemicals are released during ischemic episodes in the heart, contributing to cardiac pain?
Bradykinin and adenosine
What nerve supplies the upper 5 or 6 thoracic spinal segments of the heart?
Sympathetic nerves
Where do cardiac vagal afferent fibers synapse in the brain?
Nucleus solitarius in the medulla
From where does the right coronary artery arise?
Anterior aortic sinus of the ascending aorta
What is the mechanism behind referred anginal pain in the neck and jaw?
Excitation of upper cervical spinothalamic tract cells
Explore the anatomy of the heart focusing on the Atrium proper with musculi pectinati and the posterior smooth part known as sinus venarum. Learn about the structure and features of the tricuspid orifice and the interatrial septum.
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