Page 767 - First Aid for the USMLE Step 1 2020, Thirtieth edition [MedicalBooksVN.com]_Neat

AbbreviAtions And symbols AbbreviAtions And symbols seCtion iv 723

ABBREVIATION MEANING ABBREVIATION MEANING
K Michaelis-Menten constant MELAS mitochondrial encephalopathy, lactic acidosis, and stroke-
m
KOH potassium hydroxide syndrome like episodes
L left, liver MEN multiple endocrine neoplasia
LA left atrial, left atrium Mg 2+ magnesium ion
LAD left anterior descending coronary artery MgSO 4 magnesium sulfate
LAP leukocyte alkaline phosphatase MGUS monoclonal gammopathy of undetermined significance
Lat cond* lateral condyle MHC major histocompatibility complex
Lb* lamellar body MI myocardial infarction
LCA left coronary artery MIF müllerian inhibiting factor
LCAT lecithin-cholesterol acyltransferase MIRL membrane inhibitor of reactive lysis
LCC* left common carotid artery MLCK myosin light-chain kinase
LCFA long-chain fatty acid MLF medial longitudinal fasciculus
LCL lateral collateral ligament MMC migrating motor complex
LCME Liaison Committee on Medical Education MMR measles, mumps, rubella [vaccine]
LCMV lymphocytic choriomeningitis virus 6-MP 6-mercaptopurine
LCX left circumflex coronary artery MPGN membranoproliferative glomerulonephritis
LD loading dose MPO myeloperoxidase
LD median lethal dose MPO-ANCA/ myeloperoxidase/perinuclear antineutrophil cytoplasmic
50 p-ANCA antibody
LDH lactate dehydrogenase
LDL low-density lipoprotein MR medial rectus [muscle], mitral regurgitation
LES lower esophageal sphincter MRI magnetic resonance imaging
LFA leukocyte function–associated antigen miRNA microribonucleic acid
LFT liver function test mRNA messenger ribonucleic acid
LH luteinizing hormone MRSA methicillin-resistant S aureus
LLL* left lower lobe (of lung) MS mitral stenosis, multiple sclerosis
LLQ left lower quadrant MSH melanocyte-stimulating hormone
LM lateral meniscus, left main coronary artery, light microscopy mtDNA mitochondrial DNA
LMN lower motor neuron mTOR mammalian target of rapamycin
LOS lipooligosaccharide MTP metatarsophalangeal [joint]
LPA* left pulmonary artery MTX methotrexate
LPL lipoprotein lipase MVO 2 myocardial oxygen consumption
LPS lipopolysaccharide MVP mitral valve prolapse
LR lateral rectus [muscle] N* nucleus
Na + sodium ion
LT labile toxin, leukotriene
NAT nucleic acid testing
LUL* left upper lobe (of lung)
NAD nicotinamide adenine dinucleotide
LV left ventricle, left ventricular
NAD + oxidized nicotinamide adenine dinucleotide
M -M muscarinic (parasympathetic) ACh receptors
1 5 NADH reduced nicotinamide adenine dinucleotide
MAC membrane attack complex, minimum alveolar
concentration NADP + oxidized nicotinamide adenine dinucleotide phosphate
MALT mucosa-associated lymphoid tissue NADPH reduced nicotinamide adenine dinucleotide phosphate
MAO monoamine oxidase NBME National Board of Medical Examiners
MAOI monoamine oxidase inhibitor NBOME National Board of Osteopathic Medical Examiners
MAP mean arterial pressure, mitogen-activated protein NBPME National Board of Podiatric Medical Examiners
Max* maxillary sinus NE norepinephrine
MC midsystolic click NF neurofibromatosis
MCA middle cerebral artery NFAT nuclear factor of activated T-cell
MCAT Medical College Admissions Test NH 3 ammonia
MCHC mean corpuscular hemoglobin concentration NH 4 + ammonium
MCL medial collateral ligament NK natural killer [cells]
MCP metacarpophalangeal [joint] N M muscarinic ACh receptor in neuromuscular junction
MCV mean corpuscular volume NMDA N-methyl-d-aspartate
MD maintenance dose NMJ neuromuscular junction
MDD major depressive disorder NMS neuroleptic malignant syndrome
Med cond* medial condyle N N nicotinic ACh receptor in autonomic ganglia
*Image abbreviation only

FAS1_2019_19_Appendix_Abbrev-Sym.indd 723 11/8/19 6:54 AM