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Pericardium   Listen
noun
Pericardium  n.  (Anat.) The double baglike fold of serous membrane which incloses the heart. Note: The inner layer is closely adherent to the outer surface of the heart, and is called the cardiac pericardium. The outer layer loosely incloses the heart and the adherent inner layer, and is called the parietal pericardium. At the base of the heart the two layers are continuous, and form a narrow closed cavity filled with fluid, in which the pulsations of the heart cause little friction.






Collaborative International Dictionary of English 0.48








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"Pericardium" Quotes from Famous Books



... collection of a yellowish colour. The lungs on both sides adherent to the thorax, and the left lobes to each other. A sanguineo-serous effusion on both sides, probably a quart on the right, the lungs of which were changed in texture, and shrunk. The pericardium contained a large quantity of the same kind of fluid, which was found in the cavity of the thorax. The heart was highly injected. On removing the lungs and the trachea, and larynx, the lining membrane of the two last ...
— North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 • Various

... pericardii (pericardium) A double membranous sac protecting the heart. The layer in contact with the heart is referred to as the visceral layer, the outer layer in contact with surrounding organs ...
— Surgical Anatomy • Joseph Maclise

... after he had carried it to its destination, which was a couple of miles from the watering-place. In an emergency, water-flasks can be improvised from the raw or dry skins of animals, which should be greased down the back; or from the paunch, the heart-bag (pericardium), the intestines, or the bladder. These should have a wooden skewer runing and out along one side of their mouths, by which they can be carried, and a lashing under the skewer to make all ...
— The Art of Travel - Shifts and Contrivances Available in Wild Countries • Francis Galton

... some cases the shirt was hardly stained, and in all death occurred in the course of a very few minutes. Again, in none of the patients whom I saw who had received possible wounds of the heart-wall were there evident signs of haemo-pericardium. In view of the difficulty of detecting this condition from physical signs, this argument is naturally not of great weight, but ...
— Surgical Experiences in South Africa, 1899-1900 • George Henry Makins

... and Excretory Organs.—As in other molluscs the coelom is represented by a large pericardial cavity, situated above the intestine posteriorly, and a generative sac which is single and median and situated in front of the pericardium, except in the Nuttalochiton hyadesi, where the gonads are in a similar position, but are paired. The excretory organs are coelomoducts with an internal ciliated opening into the pericardium and an opening to the exterior. Both the openings are close together, the external opening being just in ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various

... lead into five sacs, which collectively constitute what has been described as the pericardium. The sacs into which the superior apertures open, by a short wide canal with folded walls, are situated on each side of and above the rectum. Their inner boundaries are separated by a space of not less than 5/8ths of an inch in width, in which lie ...
— Journal of the Proceedings of the Linnean Society - Vol. 3 - Zoology • Various

... bag, anil each lung has a distinct pleura. The heart lies under the left lung; and, more perfectly to cut off all injurious connexion or communication of disease between the lungs and the heart, the heart is enclosed in a distinct pleura or bag, termed the 'pericardium'. This membrane closely invests the heart, supports it in its situation, prevents too great dilatation when it is gorged with blood, and too violent action when it is sometimes unduly stimulated. Notwithstanding the confinement of the pericardium, ...
— The Dog - A nineteenth-century dog-lovers' manual, - a combination of the essential and the esoteric. • William Youatt

... drink the contents of the bladder if full: in one I saw killed, the fluid was quite limpid, and had only a very slightly bitter taste. The inhabitants, however, always first drink the water in the pericardium, which is described ...
— A Naturalist's Voyage Round the World - The Voyage Of The Beagle • Charles Darwin



Words linked to "Pericardium" :   serosa, parietal pericardium, pericardial, epicardium



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