Last edited by Mikasa
Friday, February 14, 2020 | History

3 edition of The Venous Drainage of the Human Myocardium found in the catalog.

The Venous Drainage of the Human Myocardium

  • 330 Want to read
  • 13 Currently reading

Published by Springer .
Written in English

    Subjects:
  • Cardiovascular medicine,
  • Anatomy,
  • Human Cardiovascular System,
  • Medical,
  • Medical / Nursing,
  • Cardiology,
  • Physiology,
  • Medical / Anatomy,
  • Medical / Cardiology,
  • cardiac veins,
  • coronary sinus,
  • greater cardiac venous system,
  • smaller cardiac venous system,
  • Diagnostic Imaging,
  • Radiology,
  • Coronary circulation

  • The Physical Object
    FormatPaperback
    Number of Pages117
    ID Numbers
    Open LibraryOL12775292M
    ISBN 103540440178
    ISBN 109783540440178

    Please read carefully the Google Answers Terms of Service. The other, or v wave, appears in the neck in early diastole coincident with the closure of the semilunar valves Put your middle finger on a prominent vein on the back of your hand. Afferent mostly pain fibers from viscera are indicated in blue. The vessels generally drain into the coronary sinus.

    You will see this vein empty. For purposes of simplification, each component is shown as a single fiber. Equipment carriers 4. The upper right venous valve disappears, while the bottom venous valve evolves into the inferior valve of the vena cava and the coronary sinus valve. The smaller cardiac venous system, also known as the Thebesian vessels, is comprised of the arterioluminal vessels and venoluminal vessels [], which are small vessels that drain directly into their respective heart chambers. This produces a positive change in membrane potential known as depolarisationwhich initiates the start of the next action potential.

    The upper chambers, the atria, are separated by a partition known as the interatrial septum; the lower chambers, the ventriclesare separated by the interventricular septum. It is frequently stated to cause dysphagia. It is mostly unproblematic, although it can be associated with paradoxical embolization and stroke. The growth consists of two tissue masses actively growing that approach one another until they merge and split light into two separate conduits. They may also provide a [? Interpretation of lab


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The Venous Drainage of the Human Myocardium by Michael von LГјdinghausen Download PDF Ebook

But the heart can not function alone, it has other organs and blood vessels helping it. Get exclusive access to content from our First Edition with your subscription. The left pulmonary artery is connected to the arch of the aorta by the ligamentum arteriosum fig.

The pulse pressure is the difference between the systolic and diastolic pressure and indicates the amount of blood being forced from the heart during systole Nelson, The aorta is an elastic artery that withstands the systolic blood pressure and provides elastic recoil.

This closure is achieved by further growth of the muscular interventricular septum, a contribution of trunk crest-conal tissue and a membranous component. In addition to these muscular ridges, a band of cardiac muscle, also covered by endocardium, known as the moderator band reinforces the thin walls of the right ventricle and plays a crucial role in cardiac conduction.

It is made of muscle and there are three different layers.

Sinoatrial node

All rights reserved. It gradually blends with the coverings of the superior vena cava and the pulmonary lung The Venous Drainage of the Human Myocardium book and veins leading to and from the heart.

The hemiazygos vein arises in a manner comparable to that of the azygos. A cone will form the infundibula blood of both ventricles. The phrenic fig. Binding of NA to this receptor activates a G-protein in particular a Gs-ProteinS for stimulatory which initiates a series of reactions known as the cAMP pathway that results in the production of a molecule called cyclic adenosinemonophosphate cAMP.

Figure All except the shaded area is drained by the thoracic duct. After descending on the anterior surface of the anterior scalene muscle in the neck, the phrenic nerves enter the thorax and pass anterior to the roots of the lungs. Each givesrise to sensory branches to the pericardium and pleura and then divides into several branches, The Venous Drainage of the Human Myocardium book pierce the diaphragm and supply that muscle, as well as part of the peritoneum, from below.

These nerves act to influence, but not control, the heart rate. Mesothelial pericardium forms the outer lining of the heart. Oblique Vein of the Left Atrium The oblique vein of the left atrium, also referred to as Marshall's vein since it was first reported by John Marshall, delivers deoxygenated blood from the lateral and inferior regions of the left atrium to the atrioventricular groove [4].

Much of its substance is replaced by fat and fibrous tissue, but thymic tissue never disappears completely. The slight space created by the separation is called the pericardial cavity. Two circuits, the pulmonary and the systemic, consist of arterialcapillaryand venous components.

The left common carotid and left subclavian arteries enter the neck behind the left sternoclavicular joint. The thymus reaches its greatest size at puberty and then begins to regress. Lateral Veins The lateral veins, also known as the left marginal veins or the obtuse marginal veins, course along the left side of the heart and drain the left ventricular myocardium into the great cardiac vein or coronary sinus [7].

Coalescence of these perforations will form the ostium secundum second openingwhich allows blood to flow freely from the right atrium to the left. Heart rates[ edit ] Starting at week 5 the embryonic heart rate accelerates by 3.

The left atrium receives the four pulmonary veinswhich bring oxygenated blood from the lungs. Various landmarks have been described as the location of the coronary sinus origin, including where the oblique vein of the left atrium meets the great cardiac vein and at the valve of Vieussens [4,7].

This binds to a receptor on the SA node membrane, called a beta-1adrenoceptor. The right pulmonary artery has to cross posterior to the aorta and vena cava see fig.The venous drainage system of the heart can subdivide into a greater and lesser cardiac venous system (CVS).[1] The greater cardiac venous system parallels the coronary arterial circulation on the epicardial surface of the heart, providing approximately 70% of the venous drainage.

Human cardiovascular system

The lesser cardiac venous system runs in the myocardial layer of the heart, providing up to 30% of the venous Author: Katie Nordick, Paramvir Singh. The review includes an great variety of new findings which relate to the greater (major) and smaller (minor) cardiac venous system and narrow a gap in the rather incomplete knowledge of the venous drainage of the human tjarrodbonta.com: Michael Von Lüdinghausen.

The objective of this study is to present comprehensive morphological data, almost all of it is new, concerning the venous drainage of the myocardium via the coronary sinus and its related veins.

The Venous Drainage of the Human Myocardium

This.In human cardiovascular system: Pdf of the heart layers—the epicardium (outer layer), the myocardium (middle layer), and the endocardium (inner layer).

Coronary vessels supplying arterial blood to the heart penetrate the epicardium before entering the myocardium.Start studying Blood Supply, Venous Drainage, and Innervation of th Heart (Chp 3). Learn vocabulary, terms, and more with flashcards, games, and other study tools.The ebook of this work is, therefore, to present comprehensive and almost new macro- and microanatomical data about the venous drainage of the myocardium Author: Aneel Ansari.