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Physiology, Coronary Circulation - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK482413/
This demand for oxygen is met by the coronary circulation, which is responsible for delivering blood to the myocardium and represents approximately 5% of cardiac output.[1] Adequate blood flow through the coronary vessels is critical to avoid ischemia and maintain the integrity of the myocardial tissue. Issues of Concern Anatomy
Regulation of Coronary Blood Flow - PMC
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5966026/
Regulation of coronary blood flow is quite complex and, after over 100 years of dedicated research, is understood to be dictated through multiple mechanisms that include extravascular compressive forces (tissue pressure), coronary perfusion pressure, myogenic, local metabolic, endothelial as well as neural and hormonal influences.
coronary circulation | physiology | Britannica
https://www.britannica.com/science/coronary-circulation
The heart normally extracts 70 to 75 percent of the available oxygen from the blood in coronary circulation, which is much more than the amount extracted by other organs from their circulations—e.g., 40 percent by resting skeletal muscle and 20 percent by the liver.
Understanding Coronary Blood Flow | Circulation
https://www.ahajournals.org/doi/full/10.1161/circulationaha.105.617183
In this week’s Circulation, Davies et al 1 used computer analysis of recordings of blood flow and pressure to detect and quantify intracoronary waves and to study coronary flow events in normal subjects and those with left ventricular hypertrophy (LVH). Waves were generated from both ends of the coronary tree.
20.5 Circulatory Pathways – Anatomy & Physiology
https://open.oregonstate.education/aandp/chapter/20-5-circulatory-pathways/
Coronary Circulation The first vessels that branch from the ascending aorta are the paired coronary arteries (see Figure 20.5.4 ), which arise from two of the three sinuses in the ascending aorta just superior to the aortic semilunar valve. These sinuses contain the aortic baroreceptors and chemoreceptors critical to maintain cardiac function.
6.6: Circulatory Pathways - Biology LibreTexts
https://bio.libretexts.org/Courses/Lumen_Learning/Book%3A_Anatomy_and_Physiology_II_(Lumen)/06%3A_Module_4-_The_Cardiovascular_System-_Blood_Vessels_and_Circulation/6.06%3A_Circulatory_Pathways
Coronary Circulation The first vessels that branch from the ascending aorta are the paired coronary arteries, which arise from two of the three sinuses in the ascending aorta just superior to the aortic semilunar valve. These sinuses contain the aortic baroreceptors and chemoreceptors critical to maintain cardiac function.
Physiology Tutorial - Coronary Circulation
http://www.vhlab.umn.edu/atlas/physiology-tutorial/coronary-circulation.shtml
In general, at any one point in time, coronary blood flow is determined by integrating all the different controlling feedback loops into a single response (i.e., inducing either arteriolar smooth muscle constriction or dilation). It is also common to consider that some of these feedback loops are in opposition to one another.
Blood Flow Through the Heart - Austin Community College District
https://www.austincc.edu/apreview/EmphasisItems/Bloodflowthroughtheheart.html
Blood Throught the Heart Blood Flow Through the Heart Beginning with the superior and inferior vena cavae and the coronary sinus, the flowchart below summarizes the flow of blood through the heart, including all arteries, veins, and valves that are passed along the way. 1. Superior and inferior vena cavae and the coronary sinus 2. Rt. atrium 3.
Circulation of Blood through the Heart (Anatomical Pathway)
http://shadwige.sites.truman.edu/cardiovascular-anatomy-and-physiology/circulation-of-blood-through-the-heart-anatomical-pathway/
Blood circulates through the pulmonary circulation becoming oxygenated in the capillaries around the lungs and returning to the left atrium via the pulmonary veins. [Remember that there are no valves between the pulmonary veins and the left atrium]. The blood travels from the left atrium through the mitral (bicuspid) valve into the left ventricle.
Coronary circulation - Wikipedia
https://en.wikipedia.org/wiki/Coronary_circulation
Coronary circulation is the circulation of blood in the blood vessels that supply the heart muscle (myocardium). Coronary arteries supply oxygenated blood to the heart muscle. Cardiac veins then drain away the blood after it has been deoxygenated.
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