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Nov 3, 2023 · The aortic semilunar valve is between the left ventricle and the opening of the aorta. It has three semilunar cusps/leaflets: left/left coronary, right/right coronary, and posterior/non-coronary. In clinical practice, the heart valves can be auscultated, usually by using a stethoscope.
- Surface Projections of The Heart
Borders of the heart. The heart is placed within the middle...
- Innervation of The Heart
The heart is innervated by sympathetic and parasympathetic...
- Diagrams, Quizzes and Worksheets of The Heart
Using our unlabeled heart diagrams, you can challenge...
- Coronary Arteries
Coronary arteries and cardiac veins. The heart is a...
- Ductus Arteriosus
Ligamentum arteriosum (also known as Ligament of Botallo or...
- Atria
Basic anatomy of the heart. The heart is at the center of...
- Ventricles
Location and external features The right ventricle is the...
- Heart Valves
Atrioventricular valves The mature heart is a muscular tube...
- Surface Projections of The Heart
Comprehensive description of boundries and contents of the middle mediastinum, layers of the pericardium, clinical significance of the pericardial cavity, cardiac sinuses, orientation, borders, and surface features of the heart, including pathway and tissues the coronary arteries and cardiac veins supply/drain, clinical relevance of coronary artery occlusion.
External features of the heart: The division of the heart into four cavities is indicated on its surface by grooves. The atria are separated from the ventricles by the coronary sulcus (auriculoventriculargroove); this contains the trunks of the nutrient vessels of the heart, and is deficient in front, where it is crossed by the root of the pulmonary artery.
Apr 20, 2023 · Sulci of the Heart. The heart is divided internally into four main chambers. These divisions create grooves on the external surface of the heart – known as sulci. There are three main sulci: Coronary sulcus (atrioventricular groove) – circles around the heart and represents the separation of the atria from the ventricles.
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External sulci of heart. The internal partitions forming four chambers produce grooves on the external surface called external sulci, including the coronary sulcus and the anterior and posterior interventricular sulci. All of these external sulci are continuous with each other inferiorly, just to the right of the apex.
Oct 31, 2024 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks. In fishes the heart is a folded tube, with three or four enlarged areas that correspond ...
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Sep 7, 2017 · The human heart (External and internal structure) The human heart. In all vertebrates including human beings, there is a single heart which acts as a pumping organ of blood vascular system. It receives and pumps blood from and to different organs of the body. For this purpose, it undergoes spontaneous, rhythmical and ceaseless contractions ...
