Med term 2

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Med term 2
2012-04-26 15:27:00
med term

Med term 2
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  1. The patient is a 51-year-old woman with recently diagnosed colon cancer who recently underwent a subtotal (colectomy, iridectomy, myomectomy)
  2. The patient had a (billroth, whiple, mohs) operation to stop the spread of cancer to various digestive organs and lymph nodes.
  3. Mr. McDowell has no bone pain since his (thyroidectomy, limb salvage surgery, craniectomy) for metastic cancer of the fumur.
    Limb salvage surgery
  4. Mrs. Elias was scheduled fro a (thyroidectomy, parathyroidectomy, transsphenoidal resection) for removal of a pituitary adenoma.
    transsphenoidal resection
  5. The surgeon performed a (pneumonectomy, wedge resection, lobectomy) to remove the small tumor located in the lobe of the patient’s lung.
    wedge resection
  6. Because of the malignant nature of Mrs. Harmon’s cancer, the surgeon removed the breast as well as the underlying muscles and lymph nodes in the adjacent armpit; this procedure is known as (simple, modified radical, radical) mastectomy.
  7. The patient underwent (wedge resection, transsphenoidal resection, stereotactic radiosurgery) to treat his brain tumor.
    steriotactic radiosurgery
  8. Mr. O’Malley had small pellets of radioactive material applied directly to a cancer lesion during a procedure call (radiation therapy, reconstructive surgery, brachytherapy).
  9. pneumonectomy
    term meaning:
    • pneumon/o -ectomy
    • meanings: lung excision, surgical removal
    • term meaning: excision of the lung
  10. colectomy
    term meaning:
    • col/o -ectomy
    • colon excision, surgical removal
    • excision of (all or part of) colon
  11. cystectomy
    term meaning:
    • cyst/o -ectomy
    • bladdar excision, surgical removal of
    • excision of the bladder
  12. thyroidectomy
    • thyroid/o -ectomy
    • thyroid gland
  13. laryngectomy
    • laryng/o -ectomy
    • larynx
    • excision of (all or part of) larynx
  14. iridectomy
    • irid/o
    • iris
    • excision of (part of) the iris
  15. craniectomy
    • crani/o
    • skull
    • excision of (part of) the cranium
  16. GIST
    Gastrointestinal stromal tumor
  17. DCIS
    Ductal carcinoma in situ
  18. TURP
    Transurethral resection of prostate
  19. HIDA
    Hepatobiliary iminodiacetic acit
  20. BMT
    bone marrow transplant
  21. RFA
    Radiofrequency ablation
  22. TRUS
    transrectal ultrasound
  23. EGFRs
    epidermal growth factor receptors
  24. MRCP
    Magnetic resonance cholangiopancreatography
  25. EUS
    endoscopic ultrasound
  26. Which is mismatched?
    Bladder cancer-cystectomy
    pancreatic cancer-whipple
  27. Benign is another word for
  28. What is another name for the Billroth operations I and II
  29. A retinoblastoma is a cancerous tumor involving the
  30. A procedure used to remove the prostate
  31. A tumor of the kidney is referred to as a
  32. A Wilms tumor is a rare type of cancer that affects
  33. Which type of surgery returns the function and appearance of an area of the body after a tumor has been removed?
    reconstructive surgery
  34. Chemotherapy given in addition to surgery is called
  35. The specialist who treats cancers only in women is called
    gynecologic oncologist
  36. Aneuploidy
    abnormal chromosomal number. For example, a loss of chromosome 4 and an extra copy of chromosome 21 could both be described as aneuploidy. Aneuploidy is also applied to portions of chromosomes.
  37. annotated
    • Annotated-a gene is annotated when it has been recognized
    • from a large segment of genome sequence and often we know something about its cellular role. Genomes can also be described as annotated once they have been analyzed for gene content.
  38. accession number
    • Accession number-identification number given to every DNA
    • and protein sequence submitted to NCBI or equivalent database. For example, the human leptin receptor SwissProt accession number is P48357.
  39. autocatalytic
    • Autocatalytic-an enzyme capable of stimulating its own
    • (auto) activity (catalyst).
  40. antigen
    • Antigen-any molecule that stimulates an immune response in
    • the form of an antibody. Pollen and vaccines are both antigens.
  41. array
    Array-an orderly pattern of objects. In genomic studies, there are micro arrays and macro arrays. Microarrays are small spots of DNA or protein, and the identity of the spotted material is known. Macroarrays are bacterial, yeast, or similar colonies on plates used to determine functional consequences of genomic manipulations.
  42. Aquaporin
    Aquaporin-protein that forms a channel (pore) across a membrane to allow the flow of water ( aqua ) molecules. Arabidopsis a flowering plant about 15 cm tall that reproduces very quickly; sometimes referred to as the plant equivalent of the fruit fly. First plant to have its genome fully sequenced.
  43. Apoptosis
    a normal function for many cells, apoptosis is agenetically encoded sequence of cellular actions that leads to the cell’s death; often referred to as "programmed cell death."
  44. Anthrax
    • Anthrax-( Bacillus anthracis ) rod-shaped Eubacteria that
    • can infect skin or lungs; may be used as a biological weapon.
  45. bioinformatics
    • Bioinformatics-a field of study that extracts biological
    • information from large data sets such as sequences, protein interactions, microarrays, etc. This field also includes the area of data visualization.
  46. Blast
    Blast-the protein and nucleic acid sequence search engine developed at NCBI that allows you to search sequence databases. BLASTn searches for nucleotide sequences; BLASTp searches for amino acid sequences; BLAST2 compares two sequences.
  47. Contiguous
    • Contiguous-overlapping DNA segments that as a collection form a longer and gapless
    • segment of DNA.
  48. Cox
    Cox-Cox converts arachidonic acid into prostaglandins, which are lipid-signaling molecules that trigger the sensation of pain, inflammation, and fever. Humans have two Cox genes called Cox-1 and Cox-2. Cox-1 is expressed in every cell, with the highest levels in the stomach and kidneys. Cox 2 is expressed primarily in the brain, lung, kidney, and white blood cells
  49. Dideoxy sequencing
    Dideoxy sequencing-invented by Fred Sanger, a method for sequencing DNA that utilizes ddNTPs.
  50. Dendrogram
    Dendrogram-a branching diagram that shows the relative sequence similarity between many different proteins or genes. Typically, horizontal lines indicate the degree of differences in sequences, but vertical lines are used for clarity to separate the branches. A scale bar should be included with each dendrogram.
  51. Domain
    Domain-(1) the highest level of taxonomic organization. All life is divided into three domains: Archaea, Eubacteria, and Eukaryota. (2) a region within a protein that has a particular shape and function
  52. Epistatic
    Epistatic-Gene A is said to be epistatic to gene B if an allele of gene A masks the encoded effects of gene B.
  53. Epigenetic regulation
    control of gene activity without altering DNA sequence. One example of epigenetic regulation is imprinting, which is affected in part by methyltransferases adding a methyl group (–CH3) to cytosine bases in DNA.
  54. Extremophile
    Extremophie-organisms that live in extreme environments, members of the domain Archaea . For example, Archaea can live in boiling water, extremely acidic water, or at the bottom of the ocean near hot vents.
  55. founder effect
    Founder effect-a population genetics term that explains a lack of genetic diversity in a population. For example, when a small number of adults land on a small island, all subsequent children typically contain no more variability than was present in the original inhabitants.
  56. gene therapy
    Gene therapy-correcting a defective gene by inserting a wt allele. Gene therapy can only work to correct recessive alleles unless the defective dominant allele is replaced by a knockout deletion.
  57. GenBank
    GenBank-developed and housed at NCBI, GenBank is the U.S. repository for all DNA and protein sequences.
  58. genomics
    Genomics-a vague term that encompasses the study of reference genome sequences, variations within a species’ genome, DNA microarrays, circuits, and systems biology. Some people include wider areas such as proteomics, metabolomics, etc., under the genomics umbrella. Due to its recent and changing definition, the term does not have a universally accepted meaning.
  59. gastrulation
    Gastrulation-a process of embryonic development when part of a blastula invaginates and forms a second layer of embryonic cells.
  60. genetic determinism
    Genetic determinism-the idea that all human traits are encoded in DNA. Examples of genetic determinism can be found in popular media stories that tout the discovery of a "smart gene" or "worry gene."
  61. haplotype
    Haplotype-(derived from haploid genotype) a collection of alleles in one individual that are located on one chromosome. Alleles within a haplotype often are inherited as a single unit from one generation to the next. In SNP studies, haplotypes refer to a group of genomic variations found repeatedly in many people within a population.
  62. induced
    Induced-a gene with increased transcription. Typically refers to the switch from none to some transcription, but it could also refer to a switch from low to high transcription.
  63. iteration
    Iteration-when a process is repeated in an attempt to reach the ideal outcome, each repetition is called an iteration. Each iteration is slightly different from the previous one since we learn from the first and improve the second iteration.
  64. in vitro
    In vitro-experimental process performed in a tube or petri dish and not in a living cell or organism. Literally translated as "in glass."
  65. leptin
    Leptin-mammalian protein hormone (encoded by the ob gene) produced by fat cells that regulate fat homeostasis (the lipostat). If you produce too much leptin, you will lose fat, but if you don’t produce enough, you will store more fat. In addition to fat homeostasis, leptin also influences sexual reproduction, immune and brain functions.
  66. motif
    Motif-a sequence of amino acids or nucleotides that performs a particular role and is often conserved in other species or molecules.
  67. megabase
    Megabase-1,000 kilobases or 1 million bases of DNA.
  68. omim
    Omim-a comprehensive web site that catalogs all the genetic and molecular information related to human diseases (not just male diseases).
  69. phylogoenetic tree
    • Phylogoenetic tree-graphic way to illustrate the evolutionary
    • relatedness of genes, proteins, individuals, strains, or species.
  70. phagosome
    Phagosome-internal organelles of white blood cells that engulf and kill pathogens.
  71. pseudogenes
    Pseudogenes-segments of DNA that resemble genes by their sequence of bases but are nonfunctional. Pseudogenes often have transposons inserted in them, or they may have other mutations that led to their inability to encode a functional protein.
  72. PCR
    PCR-molecular method that allows you to mass-produce any segment of DNA as long as you have two oligos that hybridize to the two strands of target DNA with their 39 ends pointed toward each other.
  73. ribozyme
    Ribozyme-RNA enzymes. Contrary to the initial rule "all enzymes are proteins," some enzymatic reactions are performed by RNA.
  74. stationary phase
    Stationary phase-a description of cells growing in culture that have slowed down their growth rate. Stationary cells are not increasing in number, but they are not dead.
  75. signal transduction
    Signal transduction-conveyance of information from the outside to the inside of a cell. When a ligand binds to its receptor, this information is conveyed to the rest of the cell through a complex pathway of signal transduction that involves second messengers.
  76. Structural proteomics.
    • Structural proteomics-a discipline
    • within proteomics that focuses on the 3D shape of proteins.
  77. SNP
    SNPs-very similar to point mutations except SNPs are considered to represent the genetic variation present in wt genotypes. By definition, SNPs differ from the reference sequence of a species.
  78. T-test
    T-test-statistical method for determining whether a mean, or the difference between two means, is significantly different from the hypothesized value.
  79. Tumor suppressor
    Tumor suppressor-protein slows down the progression of the cell cycle and prevents cancers. Typically, tumor suppressors work at checkpoints to ensure the cell is functioning properly before permitting the cell cycle or mitosis to continue. p53 and pRB are two examples.
  80. Wild-type
    Wild-type-allele, genotype, or phenotype that is considered to be the standard for a given strain or species. Wild-type alleles encode functional proteins and produce typical phenotypes. Italics is used if referring to genes or alleles.
  81. intergenic sequence
    • Intergenic sequence-DNA sequence
    • between two genes, sometimes referred to as "junk DNA."
  82. COG
    • COG-NCBI compilation of evolutionarily related gene sequences from several
    • microbial genomes. This site allows you to search by gene or cellular role and
    • produces dendrograms to show sequence similarities.
  83. consanguineous
    Consanguineous-synonym for incest; breeding among closely related individuals that can accumulate deleterious alleles in the offspring and thus more genetic diseases.
  84. clone
    • Clone-noun or verb. A clone is any molecule/cell/organism present in more than
    • one identical copy. To clone something means to produce more than one copy of
    • the original molecule/cell/organism.
  85. Conserved domain- CD
    • Conserved domain-(CD) a domain that has been retained during
    • evolution presumably due to its essential role within the protein’s structure.
    • Conserved domain searches are a part of the BLAST search.
  86. dendrogram
    • Dendrogram-a branching diagram that shows the relative sequence similarity between
    • many different proteins or genes. Typically, horizontal lines indicate the
    • degree of differences in sequences, but vertical lines are used for clarity to
    • separate the branches. A scale bar should be included with each dendrogram.
  87. DNA microarray
    • DNA microarray-or DNA chips synonyms for gene sequences spotted on
    • glass slides used to measure simultaneously the level of transcription of many
    • genes.
  88. ectopic
    Ectopic-a gene inserted in an unnatural location. For example, in mutant strains of T7, ectopic copies of gene 1 were inserted throughout the genome to test the positional effects of gene locations.
  89. exons
    Exons-parts of RNA molecule spliced together to form mRNA.
  90. e-value
    E-Value-(E-value) when performing a BLAST search, you will obtain an E-value for each sequence that is retrieved. An E-value can be thought of as the probability that two sequences are similar to each other by chance. Therefore, E values are best when they are small (e.g., 1 3 10212) compared to larger E-values (e.g., 0.06).
  91. gene therapy
    • Gene therapy-correcting a defective gene by inserting a wt allele. Gene therapy can
    • only work to correct recessive alleles unless the defective dominant allele is
    • replaced by a knockout deletion.
  92. GMO
    • GMO-in contrast to gene therapy, GMO has a transgene inserted into the
    • genomes in every cell in its body, as will all its offspring.
  93. Homology
    Homology-a term with two different meanings that are often confused. Initially, homology referred to two sequences (DNA or amino acid) that were similar due to evolutionary relatedness. The newer and less specific meaning is simply two sequences that are similar. One other usage refers to homologous chromosomes, the pair of chromosomes in diploid organisms.
  94. lipostat
    Lipostat-a term to describe the integrated circuit that uses leptin and other molecules to regulate fat homeostasis. Each person’s lipostat is set for a percentage of body fat, and this set point can be increased by eating a high-fat diet or decreased by exercising.
  95. linkage
    Linkage-when two genes are located near each other on the same chromosome; quantified by the frequency of recombination between two loci and measured in map units or centiMorgans, where 1 map unit equals 1% recombination frequency.
  96. leprosy
    • Leprosy-a disfiguring
    • disease caused by the bacterium Mycobacterium leprae. They infect white blood cells called macrophages, which normally engulf and kill pathogenic bacteria. Later, Schwann cells surrounding the nerves become infected, which leads to the loss of myelin, nerve damage, loss of sensation, and eventually loss of extremities due to reduced blood circulation.
  97. Metablome
    Metabolome-term coined to encompass the entire metabolic content of a cell or organism.
  98. NCI
    • NCI-(NCI) federally funded part of the U.S. National Institutes of Health, the NCI focuses on basic and applied research to treat and prevent cancer. Home for the Cancer Genome Anatomy Project, which intends to catalog the gene
    • activity found in every type of cancer and compare this to the gene activity to wt tissues.
  99. occams razor
    • Occams razor-a guiding principle; when deciding which
    • explanation to accept, always start with the simplest one.
  100. ORF
    ORF-a portion of a cDNA or gene that begins with the start codon and ends with the stop codon. Synonym for coding sequence (CDS) on GenBank results.
  101. oncogene
    Oncogene-mutant dominant alleles of vital genes (e.g., Ras). Oncogenes (acting like the accelerator on a car) force the cell cycle to speed up, while tumor suppressors are similar to brakes trying to slow down the cell cycle.
  102. Pub Med
    Pub Med-an extensive database of biomedical literature hosted by NCBI that is searchable. You can subscribe to PubCrawler and automatically search PubMed and receive email results on a schedule of your choosing.
  103. pharmacogenomics
    Pharmacogenomics-very similar to pharmacogenetics, pharmacogenomics attempts to study genome-wide influences on the efficacy of medications.
  104. PDB
    PDB-database of every protein for which the 3D structure is known; it also contains a few nonprotein structures.
  105. protease
    Protease-enzyme degrades proteins into smaller pieces. Two examples are cathepsins found in phagosomes and trypsin produced by the pancreas to help digest food.
  106. prion
    • Prion-proteins that have two shapes, one benign and the other contagious,
    • which leads to the conversion of the benign shape to the contagious shape.
    • Contagious prion proteins can spread from one organism to another and cause
    • neurological diseases such as scrapie in sheep, mad cow disease, and Creutzfeldt-Jakob
    • Disease (CJD) in humans.
  107. pathogen
    bacterium that can harm its host
  108. reductionist
    a person who disects a complex system into increasingly smaller parts in order to understand it.
  109. robust
    an engineering term that indicates the ability to function in lest htat optimun conditions (i.e, noise) ex: southern blots and DNA sequencing
  110. redundant
    • Redundant-in the context of genomic circuits, redundant means that a critical
    • process can be performed by more than one gene or individual pathway. For
    • example, there are three redundant IDH genes that utilize NADP1 and consume
    • isocitrate to produce NADPH and ketoglutarate.
  111. Southern blot
    Southern blot-named to honor its inventor, Dr. Ed Southern. A classic molecular method that allows the investigator to separate DNA by size in a gel, transfer the DNA to specialized paper (called a membrane), and hybridize the DNA with a particular probe.
  112. stochastic
    • Stochastic-not exactly the same as random, stochastic refers to genes or proteins
    • that can produce widely variable outcomes.
  113. serotype
    • Serotype-analogous to genotypes, serotypes describe pathogens based on the
    • ability of antibodies to bind to different subsets. For example, Neisseria
    • meningitides exists in several serotypes.
  114. systems biology
    • Systems biology-coined to denote the new perspective for research
    • in the postgenomic era. Systems biology studies whole cells/tissues/organisms
    • not by a traditional reductionist’s approach but by holistic means in a
    • reiterative attempt to model the complete cell/tissue/organism.
  115. signature genes
    Signature genes-often cited in DNA microarray experiments; a collection of genes that are characteristic for a particular sample. For example, you would expect all green leaves to express a set of signature genes necessary to conduct photosynthesis
  116. teratogen
    Teratogen-a substance such as lithium or alcohol that causes developmental abnormalities.
  117. TB
    TB-the pathogenic bacterium Mycobacterium tuberculosis causes TB, which is a debilitating and potentially lethal respiratory infection that can be antibiotic resistant and thus difficult to treat.
  118. virulent pathogen
    Virulent pathogen-or parasite that has the potential to do serious harm to its host.
  119. The patient underwent a _____ procedure to remove a tumor from her bladder
  120. although her cancer could not be cured, Mrs. Johnson underwent _____ surgery to relieve her pain and symptoms
  121. The