Category: L
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Lobe of mammary gland
One of the 15 to 20 divisions of the glandular tissue of the breast separated by connective tissue and each possessing a duct (lobar duct) opening via the nipple.
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Lobe of lungs
One of the large divisions of the lungs: superior and inferior lobes of the left lung; superior, middle, and inferior lobes of the right lung.
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Lobe of cerebrum
The frontal, parietal, occipital, and temporal lobes and the insula or island of Reil (central lobe).
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Loading test
The administration of a substance to determine the individual’s ability to metabolize or excrete it. Thus, a glucose tolerance test is one form of this test.
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Lividity
Skin discoloration, as from a bruise or venous congestion.
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Liver transplantation
The surgical implantation of a donor liver into a patient with end-stage liver disease, whether it is caused by alcoholic cirrhosis, chronic cholestatic diseases, chronic or fulminant hepatitis, or toxic liver destruction. Immunosuppressive drugs (such as cyclosporine) must be taken after the procedure to prevent rejection of the grafted organ. With optimal care, about 75%…
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Lived experience
The subjective perception of one’s experience of health or illness. Associated with Rosemarie Parse’s Nursing Theory of Human becoming, it emphasizes the nurse’s need to understand the personal health experience of patients, rather than to collect data from patients as objects.
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Lithoxiduria
The presence of xanthic oxide in the urine.
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Lithotrity
The crushing of a kidney stone to small fragments in the bladder. The procedure involving the crushing of a stone within the urinary bladder and subsequently flushing out the powdered residue.
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Lithotriptoscopy
The crushing of a kidney stone under direct vision using a lithotriptoscope.