Heart Failure Â». Heart failure is the pathophysiologic state in which the heart, via an abnormality of cardiac function (detectable or not), fails to pump blood at a rate commensurate with the requirements of the metabolizing tissues and/or pumps only from an abnormally elevated diastolic filling pressure.
(Physiology) a glandular organ of vertebrates, consisting in man of two lobes situated below the thyroid. In early life it produces lymphocytes and is thought to influence certain immunological responses.
gland 1. n. 1. a. Any of various organs or cell groups, such as the adrenal glands and the salivary glands, that are of endothelial origin and secrete a substance that is used or excreted by the body.b. Any of various organs, such as lymph nodes, that resemble true glands but perform a nonsecretory function.land. 1. An organ that secretes one or more substances along ducts (exocrine) or into the bloodstream (endocrine). 2. A structure that produces a secretion. See endocrine glands, exocrine glands.