Erythrocytes (hematuria)
Hematuria is defined as a high urine red blood cell count sustained over three specimens taken on different days. In a normal urin…
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Leukocytes
Leukocytes Leukocytes or white blood cells designate all the hemoglobin free blood cells. These cells belong to the reticuloendothelial …
Phenylethyl Alcohol Agar page1
An uninoculated phenylethyl alcohol (PEA) agar plate with 5% sheep blood. (Naowarat Cheeptham and Carolynne Fardy, Thompson Rivers University, Kam…
HIV destroys helper T-cells | Biology | Anatomy | Immunology
Segment from the program The Immunological System: Recognition, Attack, and Memory. DVD Description Our Immune System DVD starts by looking at exte…
Introduction to how the immune system works | Biology | Anatomy | Immunology
Segment from the program The Immunological System: Recognition, Attack, and Memory. DVD Description Our Immune System DVD starts by looking at exte…
Immune System - Natural Killer Cell
Natural Killer Cells are the most aggressive white cells in the immune system. They make up about 5% to 15% of the total lymphocyte circulating po…