Histology and Embryology

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etessy21
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3850
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Histology and Embryology
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2010-01-07 15:41:44
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Histology and Embryology
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Histology and Embryology
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  1. The nucleus contains how may chromosomes?
    46
  2. Three types of RNA necessary for protein synthesis
    Messenger, Transfer, Ribosomal
  3. Join cells together
    Desmosomes
  4. Attach a cell to a non-cell surface
    Hemidesmosomes
  5. Lymph, fat, cartilage, bone and blood are examples of which type of tissue?
    Connective
  6. Epithelial tissue, hair and nails are derived from...
    Ectoderm
  7. The endothelium from endocerm lines what?
    GI tract and lungs
  8. The mesothelium from mesoderm lines what?
    Peritonial cavity, renal tubules, blood vessels, and lymph vessels
  9. The main purpose of the epithelial tissue
    Maintain homeostasis
  10. Simple epithelial tissue is involves in...
    The internal organs
  11. Connective tissue is derived from which embryonic tissue?
    Mesenchyme
  12. Three types of cartilage
    Hyaline, elastic and fibrocartilage
  13. The most abundant type of cartilage
    Hyaline
  14. Type of cartilage composed of only collagen fibers
    Hyaline
  15. Type of cartilage found in the trachea, nasal septum, and the articular ends of bone
    Hyaline
  16. Similar to hyaline cartilage but contains more elastic fibers
    Elastic
  17. Type of cartilage found in the ear, auditory canal and epiglottis
    Elastic
  18. Type of cartilage that supports and withstands compression
    Fibrocartilage
  19. Type of cartilage found in the intervertebral discs and the pubic symphysis
    Fibrocartilage
  20. In adults blood cells are produced in the:
    Cranial bones, pelvis, ribs, sternum, and vertebrae
  21. Muscle is derived from which embryonic tissue?
    Mesoderm
  22. Cardiac cells are joined together by
    Intercalated discs
  23. Neural tissue is derived from which embryonic tissue?
    Neuroectoderm
  24. 3 types of granulocytes
    Basophils, eosinophils, and neutrophils
  25. WBC involved in allergic responses and parasitic infections
    Eosinophils
  26. Not seen in normal circulation. Activated when allergen causes IgE reaction
    Mast cells
  27. Two types of agranulocytes
    Lymphocytes and monocytes
  28. Lymphocyte that produces antibodies
    B cells
  29. Lymph nodes are derived from which embryonic tissue
    Mesoderm
  30. Tonsils develop around which week of gestation?
    8
  31. Which gland releases melatonin
    Pineal
  32. The embryonic period lasts until week
    8
  33. The face starts to develop during which week?
    4
  34. The face is completed by which week?
    12
  35. Type of cartilage that composes the embryonic mandible
    Meckle's Cartilage
  36. During week 1 of gestation the baby is considered a...
    Zygote
  37. During week 2 the baby is comsidered a...
    Blastocyst
  38. What develops during week 3 of embryonic development?
    Brain, hear, spinal cord, GI tract
  39. What develop during weeks 4-5 of embryonic development?
    Cranial nerves, eyes and ears, vertebra and some bones, blood vessels, arm and leg buds
  40. What develops during week 6 of embryonic development?
    Lungs, more brain, more heart, digits
  41. What develops during weeks 7-8 of embryonic development?
    Facial features, hair follicles, all major organs developing
  42. What develops during weeks 9-12 of fetal development?
    Tooth buds, urogenital tract, genitals
  43. The tongue develops during which week
    The end of the fourth week
  44. The tongue develops from which branchial arches?
    1-4
  45. The muscles of mastication start forming during which week?
    5
  46. Palatal formation occurs by which week?
    12
  47. Lip formation occurs by which week?
    6
  48. Develops from endoderm in the foramen cecum of the tongue during the 4th week
    Thyroid
  49. Odontogenesis occurs during which week?
    7
  50. This gives rise to the dental papilla, dentin matrix, pulp cavity, dental sac, cementum, PDL, and alveolar bone
    Ectomesenchyme
  51. Teeth are derived from...
    Mesenchyme
  52. Stage occurs around week 8. Dental anomalies during this stage would include microdontia and macrodontia
    Bud Stage
  53. Proliferation occurs, tissues differentiate, Dental anomalies would include: dens in dente, fusion, gemination, or tubercles
    Cap Stage
  54. Tissues of the tooth are derived from the:
    Mesoderm and ectoderm
  55. What determines the shape of the crown?
    Enamel organ
  56. Muscles of mastication are derived from which branchial arch?
    1
  57. The muscles of facial expression are derived from which branchial arch?
    2
  58. The stylopharyngeal muscle is derived from which branchial arch?
    3
  59. The laryngeal cartilages and muscles of the pharynx and larynx are derived from which branchial arch?
    4
  60. When ER modifies new protein, it sends the new protein to the
    Golgi Complex
  61. Part of the cell that synthesizes proteins and transports nutrients
    Cytoplasm
  62. First line of defense in acute infections. Phagocytes against invading antigens
    Neutrophils
  63. Release histamine during allergic reactions
    Eosinophils
  64. Determines the shape and length of the root
    Hertwig's root sheath
  65. Which stage determines the size and shape of the crown?
    Bell
  66. Highly vascular tissue under the basement membrane
    Lamina Propria
  67. Located between inner enamel epi and outer enamel epi
    stratum intermedium
  68. The tonsils develop during which week?
    8
  69. Type of RNA that carries specific amino acids
    Transfer RNA
  70. Type of RNA that is a template for protein synthesis
    Messenger RNA
  71. Cleft lip can happen during which weeks
    4-7
  72. Cleft palate occurs during weeks
    8-12
  73. Blood cells with segmented multilobulated nucleus
    Neutrophils
  74. Hemoral immunity is associated with which cells?
    B-cells
  75. Involved in cell mediated immunity responding to specific antigens
    T-cells
  76. Ameloblasts are derived from the
    Inner enamel epithelium
  77. Protective barrier for tooth formation
    Outer enamel epithelium
  78. Desintegrates into the rests of malassez
    Hertwig's sheath
  79. WBC involved in chronic inflammation
    Monocytes
  80. Cells involved in humoral immune response
    Plasma cells

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