Blood Cell Histology and Characteristics
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38 Terms
Thrombocyte
Life span 5-10 days
Thrombocytes
Seal Small tears in blood
Thrombocyte
Number of cells/mm3= 150k-400k
Thrombocyte
Duration of development: 4-5 days
Neutrophil
Phagocytize bacteria
Neutrophil
Number of cells/mm3= 3000-7000
Neutrophil
Duration of development: about 14 days
Neutrophil
Life span: 6 hours to a few days
Neutrophil
50-70% of all leukocytes
Basophil
Release histamine and other mediators of inflammation; contain heparin, an anticoagulant
Basophil
Number of cells/mm3= 20-50
Basophil
Duration of development: 1-7 days
Basophil
Life span: few hours to a few days
Basophil
0.5%-1% of all leukocytes
Eosinophil
Kill parasitic warms; destroy antigen-antibody complexes, inactivate some inflammatory chemicals of allergy
Eosinophil
Number of cells/mm3: 100-400
Eosinophil
Duration of development: about 14 days
Eosinophil
Life span about 5 days
Eosinophil
2%-4% of all leukocytes
Monocyte
Phagocytosis, develop into macrophages in tissues
Monocyte
Number of cells/mm3= 100-700
Monocyte
Duration of Development: 2-3 days
Monocyte
Life span: months
Monocyte
3%-8% of all leukocytes
Lymphocyte
Mount immune response by direct cell attack or via antibodies
Lymphocyte
Number of cells/mm3= 1500-3000
Lymphocyte
Duration of development: days to weeks
Lymphocyte
Life span: hours to years
Lymphocyte
25-45% of all leukocytes
Erythrocytes
Transport oxygen and carbon dioxide
Erythrocyte
Number of cells/mm3= 4-6 million
Erythrocyte
Duration of development: about 15 days
Erythrocyte
Life span: 100-120 days
B-Cells
Lymphocyte. Designed for antibody mediated immunity
Made in bone marrow
T-Cells
Lymphocyte. Designed for cell mediated immunity
Made in Thymus
Killer/Cytotoxic T Cells
Cells that are directly fighting, engulf foreign cells
Can become overactive and begin attacking healthy native tissue in the body
Regulatory/Suppressor T Cells
Will regulate or suppress the activity of killer T cells
Desensitize Killer T so they won’t attack healthy cells
Memory T Cells
Will retain protein markers that certain species have
Will remember their makeup for future immune responses
