Labyrinth Walking Labyrinthitis Laceration Repair Lack of intrinsic factor Lacquer Lacrimal Duct Obstruction Lacrimal gland tumor Lactate Dehydrogenase Isoenzymes Test Lactate Dehydrogenase Test Lactation Lactation Consulting Lactic acid test Lactic acidosis Lacto-Ovo Vegetarianism Lactose intolerance Lactose tolerance test Lambert-Eaton Myasthenic Syndrome Lambert-Eaton Syndrome Lamellar ichthyosis Laminectomy Lamotrigine Langer-Giedion syndrome Language Acquisition Language Delay Language Development Language Disorders Lanolin poisoning Laparoscope Laparoscopy Laparoscopy for Endometriosis Laparotomy, Exploratory Large bowel resection Large for gestational age (LGA) Larsen syndrome Laryngeal Cancer Laryngeal nerve damage Laryngectomy Laryngitis Laryngoscopy Laser In-Situ Keratomileusis (LASIK) Laser Iridotomy Laser Posterior Capsulotomy Laser Skin Resurfacing Laser surgery Laser therapy LASIK eye surgery Lateral Lateral collateral ligament (LCL) injury of the knee Lateral traction Laterality Sequence Latex agglutination test Lavender Lavender oil Laxative overdose Laxatives Lazy Eye LDH LDH isoenzymes LDL test LE cell test Lead - nutritional considerations Lead levels - blood Lead poisoning Learning Disorders Learning Theory Leber Congenital Amaurosis Lebers Hereditary Optic Atrophy Lecithin Lee Silverman Voice Treatment Leeches Left heart catheterization Left heart ventricular angiography Left-sided heart failure Leg lengthening/shortening Leg pain Legg-Calve-Perthes disease Legionnaire's disease Legionnaires' Disease Leigh Disease Leigh Syndrome Leiomyosarcoma Leishmaniasis Lennox-Gastaut Syndrome Lepromin skin test Leprosy Leptospirosis Leri-Weill dyschondrosteosis Lesch-Nyhan syndrome Leucine aminopeptidase - serum Leucine aminopeptidase - urine Leukemia Leukemia Stains Leukemias, Acute Leukemias, Chronic Leukemoid reaction Leukocyte alkaline phosphatase Leukocyte esterase Leukocytosis Leukodystrophy Leukoplakia Levetiracetam Lewy Body Dementia Leydig cell tumor