Question

51. Latency

52. Lectin

53. Leukocytes

54. Memory cell

55. Major histocompatability complex (MHC)

56. Monoclonal antibody

57. Myeloid cells

58. Negative selection

59. Opsonin

60. PAMP

61. Parafollicular boundary

62. Pathogen

63. Pathogenicity

64. Pattern recognition receptors (PRRs)

65. Phagocyte

66. Plasma cell

67. Polyclonal antibody

68. Positive selection

69. Primary lymphoid tissues

70. Primary response

71. Professional APCs

72. Secondary lymphoid tissue

73. Secondary response

74. Soluble defensive factors

75. Somatic recombination

76. Stem cell

77. T cell independent (TI) B cell Ag

78. T cell dependent (TD) B cell Ag

79. T cell receptor (TCR)

80. Thymic education

81. Thymocyte

82. Tolerance (central, peripheral and other)

83. Vaccine

84. Vector

85. Virulence

86. Zoonosis

Answer 1