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The heart has the shape of a pyramid, with its apex pointing towards the left nipple while its base forms the posterior surface of the heart. Other surfaces are the anterior, inferior (or diaphragmatic), and two pulmonary surfaces facing the lungs.
The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.
Coronary arteries labeled in red text and other landmarks in blue text Schematic view of the heart. Coronary arteries supply blood to the myocardium and other components of the heart. Two coronary arteries originate from the left side of the heart at the beginning (root) left ventricle.
The Queen of Hearts is a fictional character and the main antagonist in the 1865 book Alice's Adventures in Wonderland by Lewis Carroll. She is a childish, foul-tempered monarch whom Carroll himself describes as "a blind fury", and who is quick to give death sentences at even the slightest of offenses.
Cardiac imaging refers to minimally invasive imaging of the heart using ultrasound, magnetic resonance imaging (MRI), computed tomography (CT), or nuclear medicine (NM) imaging with PET or SPECT. These cardiac techniques are otherwise referred to as echocardiography , Cardiac MRI , Cardiac CT , Cardiac PET and Cardiac SPECT including myocardial ...
List of images on the cover of. Sgt. Pepper's Lonely Hearts Club Band. The Beatles ' 1967 album Sgt. Pepper's Lonely Hearts Club Band has a widely recognized album cover that depicts several dozen celebrities and other images. The image was made by posing the Beatles in front of life-sized, black-and-white photographs pasted onto hardboard and ...
The heart symbol is an ideograph used to express the idea of the "heart" in its metaphorical or symbolic sense. Represented by an anatomically inaccurate shape, the heart symbol is often used to represent the center of emotion, including affection and love, especially romantic love.
A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. Four valves are usually present in a mammalian heart and together they determine the pathway of blood flow through the heart.
Echocardiography, also known as cardiac ultrasound, is the use of ultrasound to examine the heart. It is a type of medical imaging, using standard ultrasound or Doppler ultrasound. [1] The visual image formed using this technique is called an echocardiogram, a cardiac echo, or simply an echo . Echocardiography is routinely used in the diagnosis ...
A ventricle is one of two large chambers located toward the bottom of the heart that collect and expel blood towards the peripheral beds within the body and lungs. The blood pumped by a ventricle is supplied by an atrium, an adjacent chamber in the upper heart that is smaller than a ventricle.
