Cardiac Nerve
The cardiac nerves are autonomic nerves which supply the heart The heart is a muscular Organ (biology), organ found in humans and other animals. This organ pumps blood through the blood vessels. The heart and blood vessels together make the circulatory system. The pumped blood carries oxygen and nutrie .... They include: * Superior cardiac nerve (nervus cardiacus cervicalis superior) * Middle cardiac nerve (nervus cardiacus cervicalis medius) * Inferior cardiac nerve (nervus cardiacus inferior) Anatomy The nerves go down to the root of the neck with these following association: Posterior: "prevertebral fascia overlying anterolateral surface of vertebral bodies" Superior: "common carotid artery" Inferior: "subclavian artery" Laterally: "sympathetic trunk" References Cardiology {{Neuroanatomy-stub ...
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Heart
The heart is a muscular Organ (biology), organ found in humans and other animals. This organ pumps blood through the blood vessels. The heart and blood vessels together make the circulatory system. The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the thorax, chest, called the mediastinum. In humans, the heart is divided into four chambers: upper left and right Atrium (heart), atria and lower left and right Ventricle (heart), ventricles. Commonly, the right atrium and ventricle are referred together as the right heart and their left counterparts as the left heart. In a healthy heart, blood flows one way through the heart due to heart valves, which prevent cardiac regurgitation, backflow. The heart is enclosed in a protective sac, the pericardium, which also contains a sma ...
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Superior Cardiac Nerve
The superior cardiac nerve arises by two or more branches from the superior cervical ganglion, and occasionally receives a filament from the trunk between the first and second cervical ganglia. It runs down the neck behind the common carotid artery, and in front of the Longus colli muscle; and crosses in front of the inferior thyroid artery, and recurrent nerve. The course of the nerves on the two sides then differs. Right nerve The right nerve, at the root of the neck, passes either in front of or behind the subclavian artery, and along the brachiocephalic trunk to the back of the arch of the aorta, where it joins the deep part of the cardiac plexus. It is connected with other branches of the sympathetic; about the middle of the neck it receives filaments from the external laryngeal nerve; lower down, one or two twigs from the vagus; and as it enters the thorax it is joined by a filament from the recurrent laryngeal nerve. Filaments from the nerve communicate with the thyroid b ...
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Middle Cardiac Nerve
Middle or The Middle may refer to: * Centre (geometry), the point equally distant from the outer limits. Places * Middle (sheading), a subdivision of the Isle of Man * Middle Bay (other) * Middle Brook (other) * Middle Creek (other) * Middle Island (other) * Middle Lake (other) * Middle Mountain, California * Middle Peninsula, Chesapeake Bay, Virginia * Middle Range, a former name of the Xueshan Range on Taiwan Island * Middle River (other) * Middle Rocks, two rocks at the eastern opening of the Straits of Singapore * Middle Sound, a bay in North Carolina * Middle Township (other) * Middle East Music * "Middle" (song), 2015 * "The Middle" (Jimmy Eat World song), 2001 * "The Middle" (Zedd, Maren Morris and Grey song), 2018 *"Middle", a song by Rocket from the Crypt from their 1995 album ''Scream, Dracula, Scream!'' *"The Middle", a song by Demi Lovato from their debut album ''Don't Forget'' *"The Middle", a ...
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Inferior Cardiac Nerve
Inferior may refer to: * Inferiority complex * An anatomical term of location * Inferior angle of the scapula, in the human skeleton * ''Inferior'' (book), by Angela Saini * ''The Inferior'', a 2007 novel by Peadar Ó Guilín * Inferior good: economics term for goods that consumers buy less of as they become wealthier (vs "normal goods" where they buy more) See also *Junior (other) Junior or Juniors may refer to: Aircraft * Ekolot JK-05L Junior, a Polish ultralight aircraft * PZL-112 Junior, a Polish training aircraft * SZD-51 Junior, a Polish-made training and club glider Arts and entertainment Characters * Bowser Jr ...