LEUKOCYTES

• Types of Leukocytes

  1. Neutrophils
  2. Lymphocytes
  3. Monocytes
  4. Eosinophils
  5. Basophils
• Neutrophils


  The most numerous leukocytes (40-60%)
• Other term for Neutrophils

  Segmented or polymorphonuclear cells
• Number of the nuclei of the neutrophils

  3 to 5
• Neutrophils increases in bacterial infection
• Lymphocytes


  The second most numerous leukocytes (20-40%)
• Lymphocytes increases in viral infections (dengue, measles, common cold)
• Lymphocytes has a large round purple nucleus with a rim of sky blue cytoplasm
• Monocytes


  Largest circulating leukocytes
• Percentage of Monocytes


  3-8%
• Monocytes increases in intracellular infections and tuberculosis
• Monocytes


  acts as a powerful phagocytes
• Percentage of Eosinophils

  1-3%
• Eosinophils increases in allergies, skin infections, and parasitic infections.
• Eosinophils


  detoxify foreign proteins
• The nucleus of eosinophils

  2 lobes (bilobes)
• The eosinophils has a red orange granules
• Basophils


  The least common of the leukocytes (0-1%)
• The cytoplasm of basophils contains large granules that stain purple-black
• Basophils


  releases histamine in the inflammation process an heparin to prevent abnormal blood clotting