pericardium definition

  • noun:
    • The membranous sac full of serous liquid that encloses one's heart therefore the origins of this aorta alongside huge arteries.
    • A serous membrane layer that surrounds the heart allowing it to contract.
    • The dual baglike fold of serous membrane layer which incloses the heart.
    • In physiology and zoology: A somewhat conically formed membranous sac, inclosing the center and also the beginning associated with great vessels.
    • A blood-sinus or special hole under the carapace of a crustacean, where the heart is suspended by ligaments and arteries, although not otherwise connected.
    • In mollusks, the large dorsal c┼ôlom or body-cavity which will be traversed because of the contractile vessel which functions like a heart.
    • a serous membrane layer with two levels that surrounds one's heart

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