L Labyrinthitis Lack of intrinsic factor Lacquer Lacrimal gland tumor Lactic acid Lactic acid overdose Lactic acidosis Lactose intolerance Lactose tolerance test Lambert-Eaton Syndrome Lamellar ichthyosis Lanolin overdose Laparoscopy Large for gestational age (LGA) Laryngeal nerve damage Laryngitis Laryngoscopy Laser surgery Laser therapy Lateral Lateral collateral ligament (LCL) injury Lateral epicondylitis--tennis elbow Lateral traction Latex agglutination test Lavender oil Laxative overdose LDH LDH isoenzymes LDL LE cell test Lead - nutritional considerations Lead and tap water Lead poisoning Lead poisoning disease Left heart catheterization Left heart ventricular angiography Left-sided heart failure Leg crossing, excessive Leg lengthening--shortening Leg Pain Leg pain with cramping Legg-Calve-Perthes disease Legionnaire's disease Leiomyosarcoma Leishmaniasis Lentigines Lepromin skin test Leprosy Leptospirosis Lesch-Nyhan syndrome Lethal midline granuloma Leucine aminopeptidase - serum Leucine aminopeptidase - urine Leukemia Leukemia - resources Leukemoid reaction Leukocyte alkaline phosphatase Leukocyte esterase Leukoplakia Leydig cell tumor LH LH response to GnRH Librium overdose Lichen planus Lichen simplex chronicus Lichenified Lighter fluid Lily-of-the-valley Limb-girdle muscular dystrophy Limited range of motion Lipase test Lipofuscin Liposuction Lipstick Liquid medication administration Liquid nitrogen Listerine overdose Listeriosis Lithium overdose Liver biopsy Liver disease Liver disease -resources Liver function tests Liver metastases Liver scan Liver spots Liver transplant Lobar intracerebral hemorrhage Lomotil overdose Long bones Lorcet overdose Lordosis Lortab overdose Loss of a child - resources Loss of a spouse - resources Low nasal bridge Lower esophageal ring (Schatzki) Lower extremity venography Lubricating oils Lucey-Driscol Syndrome Ludwig's angina Lumbosacral spine CT Lumbosacral spine MRI Lumbosacral spine X-ray Lump in the abdomen Lumps in the breasts Lung diffusion testing Lung disease Lung disease - resources Lung function Lung gallium (Ga.) scan Lung needle biopsy Lung needle biopsy culture Lung surgery Lung transplant Lupus - resources Lupus anticoagulant Lupus nephritis Lye Lyme disease Lyme disease - primary Lyme disease - secondary Lyme disease - tertiary Lyme disease antibody Lymph follicular hypertrophy Lymph node biopsy Lymph node culture Lymph system Lymphadenitis and lymphangitis Lymphangiogram Lymphatic obstruction Lymphogranuloma venereum Lymphoid hyperplasia