| LCC | lactose coliform count; left circumflex coronary (artery); left common carotid; left coronary cusp; ... |
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| LFU | lipid fluidity unit |
| LHI | lipid hydrocarbon inclusion |
| LM | lactic acid mineral [medium]; lactose malabsorption; laryngeal mask; laryngeal muscle; lateral malle... |
| LMD | lipid-moiety modified derivative; local medical doctor; low molecular weight dextran |
| lipid mobilization | The breakdown of stored triglyceride in adipose tissue with the release of free fatty acids and glycerol. Depot fat hydrolysis is catalyzed by a lipase in response to pituitary lipid mobilization factors (lmf), various hormones, serotonin, or hepatotoxins such as carbon tetrachloride. (12 Dec 1998) |
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| lipid-mobilizing hormone | <protein> Polypeptide hormone (_ form: 9894D, 91 residues, _ form has only residues 1-58 of _) from the pituitary hypophysis, that is of particular interest because it is the precursor of endorphins, which are released by proteolysis. Promotes lipolysis and acts through the adenylyl cyclase system. Part of the ACTH group of hormones. (18 Nov 1997) |
| lipid peroxidation | Peroxidase catalyzed oxidation of lipids using hydrogen peroxide as an electron acceptor. (12 Dec 1998) |
| lipid peroxides | Peroxides produced in the presence of a free radical by the oxidation of unsaturated fatty acids in the cell in the presence of molecular oxygen. The formation of lipid peroxides results in the destruction of the original lipid leading to the loss of integrity of the membranes. They therefore cause a variety of toxic effects in vivo and their formation is considered a pathological process in biological systems. Their formation can be inhibited by antioxidants, such as vitamin e, structural separation or low oxygen tension. (12 Dec 1998) |
| lipid pneumonia | Lipoid pneumonia, pulmonary condition marked by inflammatory and fibrotic changes in the lungs due to the inhalation of various oily or fatty substances, particularly liquid petrolatum, or resulting from accumulation in the lungs of endogenous lipid material, either cholesterol from obstructive pneumonitis or following fracture of a bone; phagocytes containing lipid are usually present. Synonym: oil pneumonia. (05 Mar 2000) |
| lipid profile | Pattern of lipids in the blood. (A lipid profile usually includes the total cholesterol, high density lipoprotein (hdl) cholesterol, triglycerides, and the calculated low density lipoprotein (ldl) cholesterol. (12 Dec 1998) |
| lipid storage diseases | A series of disorders due to inborn errors in lipid metabolism resulting in the abnormal accumulation of lipids in the wrong places (examples include gaucher, fabry and niemann-pick diseases and metachromatic leukodystrophy). (12 Dec 1998) |